<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
FORRESTER RESEARCH INC.'S JUNE 30, 1997 CONSOLIDATED FINANCIAL STATEMENTS
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
CONTAINED IN FORM 10-Q.
</LEGEND>
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             APR-01-1997
<PERIOD-END>                               JUN-30-1997
<EXCHANGE-RATE>                                      1
<CASH>                                       1,782,123
<SECURITIES>                                46,114,277
<RECEIVABLES>                                9,543,180
<ALLOWANCES>                                   250,000
<INVENTORY>                                          0
<CURRENT-ASSETS>                            59,107,606
<PP&E>                                       4,561,987
<DEPRECIATION>                             (1,358,489)
<TOTAL-ASSETS>                              62,311,105
<CURRENT-LIABILITIES>                       26,209,222
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        83,295
<OTHER-SE>                                  33,387,997
<TOTAL-LIABILITY-AND-EQUITY>                62,311,105
<SALES>                                              0
<TOTAL-REVENUES>                             9,126,410
<CGS>                                                0
<TOTAL-COSTS>                                3,080,677
<OTHER-EXPENSES>                             4,584,882
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                              2,043,530
<INCOME-TAX>                                   829,000
<INCOME-CONTINUING>                          1,214,530
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 1,214,530
<EPS-PRIMARY>                                      .14
<EPS-DILUTED>                                        0