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 *
  Harbour Karel F.
2. Date of Event Requiring Statement (Month/Day/Year)
12/12/2008
3. Issuer Name and Ticker or Trading Symbol
MF Global Ltd. [MF]
(Last)
(First)
(Middle)
SUGAR QUAY, LOWER THAMES STREET
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
COO & Executive VP
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

LONDON, X0 EC3R6DU
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)
No securities are beneficially owned 0
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
Restricted Share Units   (1)   (1) Common Shares 166,667 $ (1) D  
Share Options (right to buy)   (2) 07/18/2014 Common Shares 166,667 $ 30 D  
Share Options (right to buy)   (3) 06/03/2015 Common Shares 8,821 $ 14.17 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Harbour Karel F.
SUGAR QUAY, LOWER THAMES STREET
LONDON, X0 EC3R6DU
      COO & Executive VP  

Signatures

/s/ Jacqueline Giammarco, by power of attorney 12/16/2008
**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) Each restricted share unit represents a contingent right to receive one common share, par value $1.00 per share, of MF Global Ltd. (each, a "Common Share"), and the restricted share units are subject to the terms and conditions of the MF Global Ltd. 2007 Long Term Incentive Plan (the "Plan"). The restricted share units vest in full on the third anniversary of the grant date, which is July 18, 2007. Vested restricted share units will be delivered to the reporting person on the vesting date or such other date as specified in the award agreement.
(2) Each share option represents the right to purchase one Common Share. The share options are subject to the terms and conditions of the Plan. One-third of the share options vest on each of the first, second and third anniversaries of the grant date (becoming fully vested on the third anniversary of the grant date). These share options were granted on July 18, 2007. Each share option becomes exercisable upon vesting.
(3) Each share option represents the right to purchase one Common Share. The share options are subject to the terms and conditions of the Plan. One-third of the share options vest on each of the first, second and third anniversaries of the grant date (becoming fully vested on the third anniversary of the grant date). These share options were granted on June 3, 2008. Each share option becomes exercisable upon vesting.
 
Remarks:
Exhibit List

Exhibit 24: Power of Attorney

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