United States securities and exchange commission logo

                       June 24, 2020

       Michael A. Doyle
       Chief Financial Officer
       Forrester Research, Inc.
       60 Acorn Park Drive
       Cambridge, Massachusetts 02140

                                                        Re: Forrester Research,
                                                            Form 10-K for the
Fiscal Year Ended December 31, 2019
                                                            Filed March 13,
                                                            File No. 0-21433

       Dear Mr. Doyle:

              We have completed our review of your filing. We remind you that
the company and its
       management are responsible for the accuracy and adequacy of their
disclosures, notwithstanding
       any review, comments, action or absence of action by the staff.


                       Division of Corporation Finance

                       Office of Trade & Services
       cc:                                              Scott R. Chouinard,
Chief Accounting Officer