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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(Print or Type Responses)

1. Name and Address of Reporting Person * BLACKLEY IAN T   2. Issuer Name and Ticker or Trading Symbol OVERSEAS SHIPHOLDING GROUP INC [OSG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) COO of OSG Ship Mgt. (UK) Ltd. (Last) (First) (Middle) 666 THIRD AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 01/18/2006 (Street) NEW YORK, NY 10017 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, par value $1.00 per share 01/18/2006   A   1,274 (1) A $ 0 1,620 (2) D   Common Stock, par value $1.00 per share               432 I (3) (3)

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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

Stock Option (right to buy)

$ 49.05

01/18/2006

A

3,445

(4)

01/18/2016

Common Stock

3,445

$ 0

3,445

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BLACKLEY IAN T 666 THIRD AVENUE NEW YORK, NY 10017			COO of OSG Ship Mgt. (UK) Ltd.

Signatures

/s/James I. Edelson, Attorney-in-Fact, pursuant to power of attorney previously filed		01/20/2006
**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)	These shares of common stock were granted pursuant to the Overseas Shipholding Group, Inc. 2004 Stock Incentive Plan (the "2004 Plan") and are subject to vesting restrictions. The reporting person becomes vested in one fourth of such shares on each of the first, second, third and fourth anniversaries of the date of grant.
(2)	Of these 1,620 shares of common stock, as disclosed in this filing and in the prior filing, 1,533 shares are subject to vesting restrictions as of the date of the filing of this Form 4.
(3)	The reporting person indirectly owns these shares of common stock through the Overseas Shipholding Group, Inc. 2000 Employee Stock Purchase Plan.
(4)	The option to purchase these shares of common stock was granted pursuant to the 2004 Plan and will become exercisable as to one third of such shares on each of the first, second and third anniversaries of the date of grant.

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