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 *   Nittoli Rocco J 2. Date of Event Requiring Statement (Month/Day/Year) 05/15/2007 3. Issuer Name and Ticker or Trading Symbol LEUCADIA NATIONAL CORP [LUK] (Last) (First) (Middle) 315 PARK AVENUE SOUTH 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Treasurer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10010 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 Shares, $1.00 Par Value 0 D Â

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
Options to Purchase Common Shares	  (1)	07/11/2008	Common Shares	6,000	$ 10.247	D	Â
Options to Purchase Common Shares	  (2)	01/02/2011	Common Shares	36,000	$ 21.753	D	Â
Options to Purchase Common Shares	  (3)	12/31/2012	Common Shares	50,000	$ 27.34	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Nittoli Rocco J 315 PARK AVENUE SOUTH NEW YORK, NY 10010	Â	Â	  Treasurer	Â

Signatures

/s/ Rocco J. Nittoli		05/15/2007
**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 stock options were granted on July 11, 2002 under the Leucadia National Corporation 1999 Stock Option Plan, as amended. Pursuant to their terms, these options become exercisable at the rate of 20% per year commencing one year after the grant date.
(2)	The stock options were granted on December 9, 2004 under the Leucadia National Corporation 1999 Stock Option Plan, as amended. Pursuant to their terms, these options become exercisable at the rate of 20% per year commencing on 1/2/2006.
(3)	The stock options were granted on December 11, 2006 under the Leucadia National Corporation 1999 Stock Option Plan, as amended. Pursuant to their terms, these options become exercisable at the rate of 20% per year commencing on 1/1/2008.

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