FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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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1. Name and Address of Reporting Person * CROATTI RONALD D   2. Issuer Name and Ticker or Trading Symbol UNIFIRST CORP [UNF] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 68 JONSPIN ROAD 3. Date of Earliest Transaction (Month/Day/Year) 12/21/2004 (Street) WILMINGTON, MA 01887 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/21/2004   J(1)   950 A $ 27.35 (1) 950 I By LLC Class B Common Stock               5,200,000 I By Trust and Limited Partnership (2) Class B Common Stock               472,560 D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CROATTI RONALD D 68 JONSPIN ROAD WILMINGTON, MA 01887	X	X	President and CEO

Signatures

Ronald D. Croatti		12/23/2004
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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 reporting person is the manager of a limited liability company, MMC Trust LLC. The underlying shares of common stock were previously directly held by the Melissa Marie Croatti Trust - 1990. The underlying shares of common stock were transferred to MMC Trust LLC in exchange for limited liability company interests in MMC Trust LLC. The price reflected in column 4 reflects the closing price for UniFirst common stock on the date of transfer.
(2)	The reporting person is a trustee and beneficiary of The Marie Croatti QTIP Trust, which is the direct owner of 2,600,000 shares of Class B Common Stock. The reporting person is also a Director and minority owner of the general partner of The Croatti Family Limited Partnership, which is the direct owner of 2,600,000 shares of Class B Common Stock. The reporting person is also a trustee to and beneficiary of two trusts which hold approximately 25% of the limited partnership interests in the Croatti Family Limited Partnership. The reporting person disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or any other purpose.

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