**As filed with the Securities  and Exchange Commission on April 25, 2003**

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**SECURITIES AND EXCHANGE COMMISSION****Washington, D.C. 20549**

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**FORM 20-F/A**

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**REGISTRATION STATEMENT PURSUANT  TO SECTION 12(B) OR (G)  OF THE SECURITIES EXCHANGE ACT OF 1934**

 or

**ANNUAL  REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE  SECURITIES EXCHANGE ACT OF 1934**

for the fiscal year ended December  31, 2002

or

**TRANSITION REPORT PURSUANT  TO SECTION 13 OR 15(D) OF THE  SECURITIES EXCHANGE ACT OF 1934**

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**LAFARGE**(Exact name of Registrant as specified  in its charter)

| **N/A**                      | **France**                     |
|------------------------------|--------------------------------|
| (Translation of Registrant's | (Jurisdiction of incorporation |
| name into English)           | or organization)               |

**61, rue des Belles Feuilles,  75116 Paris, France**(Address of principal executive offices)

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Securities registered or to be registered  pursuant to Section 12(b) of the Act:

|                                                                                                            | Name of each exchange           |
|-----------------------------------------------------------------------------------------------------------------|---------------------------------|
| Title of each class:                                                                                            | on which registered:            |
|                                                                                                            |                            |
| **American Depositary Shares, each representing one-fourth of an ordinary share, par value 4 euros per share.** | **The New York Stock Exchange** |

|                                                          |   |
|---------------------------------------------------------------|--------|
|  **Ordinary      Shares, par value 4 euros per share *** |

|   |   |   |
|--------|--------|--------|
|   |   |   |   |

|   |   | * | listed, not for trading or      quotation purposes, but only in connection with the registration of the      American Depositary Shares pursuant to the requirements of the Securities      and Exchange Commission |
|--------|--------|---|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

Securities registered or to be registered pursuant to Section 12(g) of the Act: **None**

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: **None**

Indicate the number of outstanding  shares of each of the issuer's classes of capital or common stock as of the  close of the period covered by the annual report:

|   |                | At December 31, 2002 |   |
|--------|---------------------|----------------------|--------|
|   | **Ordinary Shares** | 132,880,433          |   |

Indicate by check mark whether the  registrant (1) has filed all reports required to be filed by Section 13 or 15(d)  of the Securities Exchange Act of 1934 during the preceding 12 months (or for  such shorter period that the registrant was required to file such reports),  and (2) has been subject to such filing requirements for the past 90 days.

Yes                No  

Indicate by check mark which financial  statement item the registrant has elected to follow:

Item 17                Item  18 

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