FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Meringer Julie H 2. Date of Event Requiring Statement (Month/Day/Year) 01/01/2007 3. Issuer Name and Ticker or Trading Symbol FORRESTER RESEARCH INC [FORR] (Last) (First) (Middle) C/O FORRESTER RESEARCH, INC., 400 TECHNOLOGY SQUARE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Managing Director, IT 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) CAMBRIDGE, MA 02139 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Incentive Stock Option (Right to Buy)	  (1)	03/30/2013	Common Stock	1,000	$ 14.73	D	Â
Incentive Stock Option (Right to Buy)	  (1)	03/30/2014	Common Stock	3,375	$ 18.42	D	Â
Non-Qualified Stock Option (Right to Buy)	  (1)	03/30/2014	Common Stock	1,125	$ 18.42	D	Â
Incentive Stock Option (Right to Buy)	03/16/2007	03/17/2007	Common Stock	100	$ 25.16	D	Â
Incentive Stock Option (Right to Buy)	  (1)	03/15/2011	Common Stock	6,000	$ 25.16	D	Â
Incentive Stock Option (Right to Buy)	  (2)	03/31/2009	Common Stock	8,068	$ 17	D	Â
Incentive Stock Option (Right to Buy)	  (1)	10/31/2011	Common Stock	7,379	$ 15.96	D	Â
Non-Qualified Stock Option (Right to Buy)	  (1)	03/15/2011	Common Stock	2,000	$ 25.16	D	Â
Non-Qualified Stock Option (Right to Buy)	  (2)	03/31/2009	Common Stock	1,932	$ 17	D	Â
Non-Qualified Stock Option (Right to Buy)	  (2)	04/02/2016	Common Stock	15,000	$ 22.19	D	Â
Incentive Stock Option (Right to Buy)	  (3)	03/30/2015	Common Stock	4,240	$ 14.06	D	Â
Non-Qualified Stock Option (Right to Buy)	  (3)	03/30/2015	Common Stock	3,088	$ 14.06	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Meringer Julie H C/O FORRESTER RESEARCH, INC. 400 TECHNOLOGY SQUARE CAMBRIDGE, MA 02139	Â	Â	  Managing Director, IT	Â

Signatures

Ryan Maughn, attorney in fact for Julie Meringer		01/04/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The Options become exercisable in four equal installments on the first, second, third, and fourth anniversaries of the grant date.
(2)	The Options become exercisable in three equal installments on the first, second and third anniversaries of the grant date.
(3)	The Options become exercisable in two equal installments on the first and second anniversaries of the grant date.

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