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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">UNITED STATES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SECURITIES AND EXCHANGE COMMISSION</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Washington, D.C. 20549</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Pursuant to Section 13 or 15(d) of</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>the Securities Exchange Act of 1934</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Date of Report (Date of earliest event
reported):&nbsp;<B>October 20, 2020</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">______________________________</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>First Trust High Income Long/Short Fund</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Exact name of registrant as specified in its
charter)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <TD STYLE="width: 36%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>Massachusetts</B></FONT></TD>
    <TD STYLE="width: 30%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>811-22442</B></FONT></TD>
    <TD STYLE="width: 34%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>27-3072807</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(State or other jurisdiction</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(Commission File Number)</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(IRS Employer</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">of incorporation)</FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Identification No.)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>120 East Liberty Drive, Suite 400</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Wheaton, Illinois</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Address of principal executive offices)</P></TD>
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>60187</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(zip code)</P></TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Registrant's telephone number, including area
code: (<B>630) 765-8000</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">_____________________________________________________</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Former Name or Former Address, if Changed Since
Last Report.)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in">Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(<I>see </I>General Instruction A.2. below):</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in"><FONT STYLE="font-family: MS Mincho; font-size: 10pt">&#9744;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Written
communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in"><FONT STYLE="font-family: MS Mincho; font-size: 10pt">&#9744;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in"><FONT STYLE="font-family: MS Mincho; font-size: 10pt">&#9744;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act<BR>
(17 CFR 240.14d-2(b))</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in"><FONT STYLE="font-family: MS Mincho; font-size: 10pt">&#9744;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act<BR>
(17 CFR 240.13e-4(c))</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<TD STYLE="width: 0"></TD><TD STYLE="width: 49.5pt"><FONT STYLE="font-variant: small-caps">Item 5.03</FONT></TD><TD><FONT STYLE="font-variant: small-caps">Amendments to Articles
                                         of Incorporation or By-Laws; Change in Fiscal Year</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: justify">On October 19, 2020, the Board of Trustees
of First Trust High Income Long/Short Fund amended and restated its existing Amended and Restated By-Laws (and as so amended and
restated, the &ldquo;By-Laws&rdquo;), effective immediately. The By-Laws were revised to provide, among other things, enhancements
to certain procedural matters related to meetings, shareholder nominations and shareholder proposals, enhanced voting standards
in the event of a contested board election, the addition of trustee qualifications, the addition of control share provisions, and
other clarifying and conforming amendments.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: justify">The foregoing description is qualified
in its entirety by reference to the full text of the By-Laws, a copy of which is attached hereto as Exhibit 3.1 and is incorporated
by reference herein.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: small-caps 10pt Times New Roman, Times, Serif; margin-top: 16pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 49.5pt"><FONT STYLE="font-variant: small-caps">Item 9.01</FONT></TD><TD><FONT STYLE="font-variant: small-caps">Financial Statements
                                         and Exhibits.</FONT></TD></TR></TABLE>





<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 3pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 3pt 0">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibits.</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 3pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 3pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Exhibit Number</TD><TD>Description</TD></TR></TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 3pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">3.1</TD><TD><A HREF="exhibit_3-1.htm">Amended and Restated By-Laws as of October 19, 2020</A>.</TD></TR></TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 3pt 0"></P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: justify">Pursuant to the requirements of the
Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.</P>

<P STYLE="font: 12pt/14pt Times New Roman, Times, Serif; margin: 0 0 0 3.5in; text-indent: -3.5in"></P>


<P STYLE="font: 10pt/14pt Times New Roman, Times, Serif; margin: 0 0 0 3.25in; text-indent: -3.25in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD><P STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Dated:
        October 20, 2020</font></P>
</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">FIRST
TRUST HIGH INCOME LONG/SHORT FUND</font></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 60%">&nbsp;</TD>
    <TD STYLE="width: 7%; padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 33%; padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ W. Scott Jardine</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">W. Scott Jardine</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; text-indent: 0in; line-height: 14pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Secretary</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: center"><B>EXHIBIT INDEX</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: center"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 3pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Exhibit Number</TD><TD>Description</TD></TR></TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 3pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">3.1</TD><TD><A HREF="exhibit_3-1.htm">Amended and Restated By-Laws as of October 19, 2020</A>.</TD></TR></TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 3pt 0 0 1.5in; text-indent: -1.5in">&nbsp;</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 14pt 0 0; text-align: center">&nbsp;</P>



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[{"type": "8-K", "sequence": "1", "filename": "fsd_8k.htm", "description": "CURRENT REPORT", "secsgml_size_bytes": 14691}]
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934
Date of Report (Date of earliest event
reported):
October 20, 2020
______________________________
First Trust High Income Long/Short Fund
(Exact name of registrant as specified in its
charter)
Massachusetts
811-22442
27-3072807
(State or other jurisdiction
(Commission File Number)
(IRS Employer
of incorporation)
Identification No.)
120 East Liberty Drive, Suite 400
Wheaton, Illinois
(Address of principal executive offices)
60187
(zip code)
Registrant's telephone number, including area
code: (
630) 765-8000
_____________________________________________________
(Former Name or Former Address, if Changed Since
Last Report.)
Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(
see
General Instruction A.2. below):
☐
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR 240.14d-2(b))
☐
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act
(17 CFR 240.13e-4(c))
Item 5.03
Amendments to Articles
                                         of Incorporation or By-Laws; Change in Fiscal Year
On October 19, 2020, the Board of Trustees
of First Trust High Income Long/Short Fund amended and restated its existing Amended and Restated By-Laws (and as so amended and
restated, the "By-Laws"), effective immediately. The By-Laws were revised to provide, among other things, enhancements
to certain procedural matters related to meetings, shareholder nominations and shareholder proposals, enhanced voting standards
in the event of a contested board election, the addition of trustee qualifications, the addition of control share provisions, and
other clarifying and conforming amendments.
The foregoing description is qualified
in its entirety by reference to the full text of the By-Laws, a copy of which is attached hereto as Exhibit 3.1 and is incorporated
by reference herein.
Item 9.01
Financial Statements
                                         and Exhibits.
(d)       Exhibits.
Exhibit Number
Description
3.1
Amended and Restated By-Laws as of October 19, 2020
.
SIGNATURES
Pursuant to the requirements of the
Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
Dated:
        October 20, 2020
FIRST
TRUST HIGH INCOME LONG/SHORT FUND
By:
/s/ W. Scott Jardine
Name:
W. Scott Jardine
Title:
Secretary
EXHIBIT INDEX
Exhibit Number
Description
3.1
Amended and Restated By-Laws as of October 19, 2020
.