Exhibit 21.1
 
                 GREATER BAY BANCORP ANNUAL REPORT ON FORM 10-K
 
                  EXHIBIT 21.1--SUBSIDIARIES OF THE REGISTRANT
 
  Greater Bay Bancorp owns 100.0% of the outstanding voting securities of the
following corporations, all of which are included in Greater Bay Bancorp's
consolidated financial statements:
 


          Name                                     Jurisdiction of Incorporation
          ----                                     -----------------------------
                                                
     Mid-Peninsula Bank...........................          California
     Cupertino National Bank......................          California
     Peninsula Bank of Commerce...................          California
     Golden Gate Bank.............................          California
     Pacific Business Funding Corporation.........          California
     GBB Capital I................................          Delaware
     GBB Capital II...............................          Delaware