Ownership Submission
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 *
  Walther Gregory L
 2. Date of Event Requiring Statement (Month/Day/Year)
06/05/2006		 3. Issuer Name and Ticker or Trading Symbol
OSI RESTAURANT PARTNERS, INC. [OSI]
(Last)
(First)
(Middle)
C/O OSI RESTAURANT PARTNERS, INC., 2202 N. WEST SHORE BLVD., SUITE 500		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Admin. Officer-sub Int'l
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

TAMPA, FL 33607		 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)
Common Stock, par value $.01 2,801
D
 
Common Stock, par value $.01 20,000 (1)
D
 

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

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Walther Gregory L
C/O OSI RESTAURANT PARTNERS, INC.
2202 N. WEST SHORE BLVD., SUITE 500
TAMPA, FL 33607		       Chief Admin. Officer-sub Int'l  

Signatures

/s/ Joseph J. Kadow, Attorney-in-Fact 06/07/2006
**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 reporting person received 20,000 shares of restricted stock that vest in three annual installments beginning on January 24, 2009, in the respective amounts of 4,000 shares, 4,000 shares and 12,000 shares.

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