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  <TITLE>Current Report on Form 8-K</TITLE>
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   <HR SIZE="3" NOSHADE COLOR="#000000" ALIGN="left"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>SECURITIES AND EXCHANGE COMMISSION
  </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>Washington, D.C. 20549 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="17%" COLOR="#000000"><DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>FORM 8-K </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"
  COLOR="#000000"><B>Current Report Pursuant </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>to Section 13 or 15(d) of the </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"
  COLOR="#000000"><B>Securities Exchange Act of 1934 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Date of Report (Date of earliest event reported): January 22,
  2003 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="17%" COLOR="#000000"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="6" COLOR="#000000"><B>Greater Bay Bancorp
  </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(Exact name of registrant as specified in its charter) </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
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  <TD VALIGN="bottom" WIDTH="48%" ALIGN="center"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>California</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="48%" ALIGN="center"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>77-0387041</B></FONT></DIV> </TD> </TR>
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  <TD VALIGN="top" ALIGN="center" WIDTH="48%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(State or other jurisdiction of</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"
  COLOR="#000000"><B>incorporation or organization)</B></FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" ALIGN="center" WIDTH="48%"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(I.R.S. employer</B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1"
  COLOR="#000000"><B>identification number)</B></FONT></DIV> </TD> </TR>
   </TABLE> </DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Commission file number: 0-25034 </B></FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>2860 West Bayshore Road </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Palo Alto, California
  94303 </B></FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="1" COLOR="#000000"><B>(Address of principal executive offices and zip code) </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Registrant&#146;s telephone number, including area code: (650) 813-8200 </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <HR SIZE="3" NOSHADE COLOR="#000000" ALIGN="left">
  
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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item 5.&nbsp;&nbsp;&nbsp;&nbsp;Other Events. </B></FONT></DIV> <DIV><FONT
  SIZE="1">&nbsp;</FONT></DIV> <DIV STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">On January 22, 2003, Greater Bay Bancorp (the &#147;Companny&#148;) issued a press release announcing its 2002 fourth quarter and year end
  results. The title and paragraphs 1 through 10, 13 and 16 through 19 of the press release, which appear as part of Exhibit 99.1, are filed and incorporated herein by reference. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV><FONT
  FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item 7.&nbsp;&nbsp;&nbsp;&nbsp;Financial Statements and Exhibits. </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
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  <TD VALIGN="bottom"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B></B>Exhibits<B></B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="50" ALIGN="left" COLOR="#000000"></TD>
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  <TD> <FONT SIZE="1">&nbsp;</FONT></TD> </TR>
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  <TD VALIGN="top" WIDTH="9%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="90%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release dated January 22, 2003 re 2002 fourth quarter and year end results</FONT></DIV> </TD> </TR>
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  <TD WIDTH="3%" VALIGN="top" ALIGN="left"><DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Item</B></FONT></DIV></TD>
  <TD WIDTH="1%" VALIGN="top"><DIV><FONT SIZE="1">&nbsp;</FONT></DIV></TD>
  <TD ALIGN="left" VALIGN="top"><DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>9.&nbsp;&nbsp;&nbsp;&nbsp;Regulation FD Disclosure</B> </FONT></DIV> </TD></TR></TABLE> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV
  STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Paragraphs 11, 12, 14, and 15 (including bullet points under the heading &#147;2003 Key Business Drivers&#148;) of the press release appearing in Exhibit 99.1 are not filed
  but are furnished pursuant to Regulation FD. </FONT></DIV>
   <P></P> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">2 </FONT></DIV>
  
  
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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>SIGNATURES </B></FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV
  STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned
  hereunto duly authorized. </FONT></DIV> <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV>
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  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
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  <TD VALIGN="top" COLSPAN="3" WIDTH="43%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Greater Bay Bancorp</B></FONT></DIV> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Registrant)</FONT></DIV> </TD> </TR>
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  <TD HEIGHT="16"> </TD> </TR>
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  <TD VALIGN="top" COLSPAN="3" WIDTH="43%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Dated: January 23, 2003</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
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  <TD VALIGN="top" WIDTH="3%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="top" WIDTH="43%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">/s/ Linda M. Iannone&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></DIV> <HR SIZE="1" NOSHADE COLOR="#000000"
  ALIGN="left"></TD> </TR>
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  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD> <FONT SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="43%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Linda M. Iannone</FONT></DIV> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2"
  COLOR="#000000">Senior Vice President and General</FONT></DIV> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Counsel<B></B></FONT></DIV> </TD> </TR>
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   <P></P> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">3 </FONT></DIV>
  
  
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   <DIV><FONT SIZE="1">&nbsp;</FONT></DIV> <DIV ALIGN="center">
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  <TD VALIGN="bottom" WIDTH="93%" ALIGN="center"> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Exhibit Index</B></FONT></DIV> <HR SIZE="1" NOSHADE WIDTH="84" COLOR="#000000"></TD> </TR>
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  <TD VALIGN="top" WIDTH="6%"> <DIV><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">99.1</FONT></DIV> </TD>
  <TD VALIGN="bottom" WIDTH="3%"><FONT FACE="Times New Roman" SIZE="1">&nbsp;&nbsp;</FONT></TD>
  <TD VALIGN="bottom" WIDTH="93%"> <DIV STYLE="margin-left:2%; text-indent:-2%"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">Press Release dated January 22, 2003 re 2002 fourth quarter and year end results</FONT></DIV> </TD> </TR>
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   <P></P> <DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">4 </FONT></DIV>
  
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metadata_filer: {"company-data": {"conformed-name": "GREATER BAY BANCORP", "cik": "0000775473", "assigned-sic": "6021", "irs-number": "770387041", "state-of-incorporation": "CA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-25034", "film-number": "03521854"}, "business-address": {"street1": "2860 WEST BAYSHORE ROAD", "city": "PALO ALTO", "state": "CA", "zip": "94303", "phone": "4153751555"}, "mail-address": {"street1": "2860 BAYSHORE ROAD", "street2": "420 COWPER ST", "city": "PALO ALTO", "state": "CA", "zip": "943011504"}, "former-company": [{"former-conformed-name": "SAN MATEO COUNTY BANCORP", "date-changed": "19920703"}, {"former-conformed-name": "MID PENINSULA BANCORP", "date-changed": "19941031"}]}
text: Current Report on Form 8-K
  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): January 22,
  2003
  Greater Bay Bancorp
  (Exact name of registrant as specified in its charter)
  California
  77-0387041
  (State or other jurisdiction of
  incorporation or organization)
  (I.R.S. employer
  identification number)
  Commission file number: 0-25034
  2860 West Bayshore Road
  Palo Alto, California
  94303
  (Address of principal executive offices and zip code)
  Registrant's telephone number, including area code: (650) 813-8200
  Item 5.    Other Events.
  On January 22, 2003, Greater Bay Bancorp (the "Companny") issued a press release announcing its 2002 fourth quarter and year end
  results. The title and paragraphs 1 through 10, 13 and 16 through 19 of the press release, which appear as part of Exhibit 99.1, are filed and incorporated herein by reference.
  Item 7.    Financial Statements and Exhibits.
  Exhibits
  99.1
  Press Release dated January 22, 2003 re 2002 fourth quarter and year end results
  Item
  9.    Regulation FD Disclosure
  Paragraphs 11, 12, 14, and 15 (including bullet points under the heading "2003 Key Business Drivers") of the press release appearing in Exhibit 99.1 are not filed
  but are furnished pursuant to Regulation FD.
  2
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned
  hereunto duly authorized.
  Greater Bay Bancorp
  (Registrant)
  Dated: January 23, 2003
  By:
  /s/ Linda M. Iannone
  Linda M. Iannone
  Senior Vice President and General
  Counsel
  3
  Exhibit Index
  99.1
  Press Release dated January 22, 2003 re 2002 fourth quarter and year end results
  4