UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

May 20, 2011

Date of Report (Date of earliest event reported)

Kansas City Southern de México, S.A. de C.V.

(formerly known as TFM, S.A. de C.V.)

(Exact Name of Registrant as Specified in Its Charter)

Montes Urales 625

Lomas de Chapultepec

11000 México, D.F.

México

(Address of Principal Executive Offices)

+ (5255) 9178-5852

(Registrant’s Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Indenture

On May 20, 2011, Kansas City Southern de México, S.A. de C.V. (the “Company”), entered into an indenture (the “Indenture”) with U.S. Bank National Association, as trustee and paying agent, pursuant to which the Company issued $200.0 million principal amount of 6.125% Senior Notes due 2021 (the “Notes”). See the discussion below under Item 2.03 for a description of the material terms and conditions of the Indenture.

Registration Rights Agreement

On May 20, 2011, the Company entered into a registration rights agreement (the “Registration Rights Agreement”) with the Placement Agents pursuant to which the Company agreed, for the benefit of the holders of the Notes, at the cost of the Company, to use its reasonable best efforts to:

(i) file a registration statement with respect to a registered offer to exchange the Notes for new exchange notes having terms identical in all material respects to the Notes (except that the exchange notes will not contain transfer restrictions); and

(ii) complete the registered exchange offer within 360 days after the May 20, 2011 closing date of the offering of the Notes.

Promptly after the exchange registration statement has been declared effective, the Company will commence the registered exchange offer.

The above description of the Registration Rights Agreement is qualified in its entirety by reference to the terms of that agreement attached hereto as Exhibit 4.2.

The Notes are unsecured and unsubordinated obligations of the Company and will rank equally with all of its current and future unsecured and unsubordinated indebtedness, and senior to all of its subordinated debt. The Notes effectively rank junior to all of the Company’s secured indebtedness to the extent of the value of the assets securing such indebtedness. The Notes are not guaranteed by any of the Company’s subsidiaries and are therefore structurally subordinated to all liabilities of the Company’s subsidiaries.

The Notes bear interest at a rate of 6.125% per annum. Interest is payable semiannually on June 15 and December 15 of each year, beginning on December 15, 2011, to persons who are the registered holders of the Notes at the close of business on the immediately preceding June 1 and December 1, respectively.

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The Indenture limits the ability of the Company and its restricted subsidiaries, as applicable, to incur indebtedness, make restricted payments, create restrictions on dividend and certain other payments by restricted subsidiaries, issue and sell capital stock of restricted subsidiaries, permit the issuances of guarantees by restricted subsidiaries, enter into transactions with affiliates, incur liens, enter into sale-leaseback transactions, and sell assets, in each case subject to certain qualifications set forth in the Indenture.

In the event of a Change of Control (as defined in the Indenture), the Company must commence, within 30 days of the occurrence of the Change of Control, and consummate an offer to purchase all the Notes then outstanding at the purchase price set forth in the Indenture.

In addition, under the Indenture, the Notes may be declared immediately due and payable by the trustee or the holders of at least 25% in aggregate principal amount of the Notes then outstanding if any of certain events of default occur and are continuing under the Indenture. Subject to certain qualifications and applicable grace periods as set forth under the Indenture, the events of default include the following:

In addition, subject to certain qualifications and applicable grace periods as set forth under the Indenture, any of the following events of default result in the Notes becoming immediately due and payable without any act on the part of the trustee or any holder:

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The Notes will mature on June 15, 2021. However, the Company, at its option, may redeem the Notes in whole at any time or in part from time to time, on and after June 15, 2016, upon not less than 30 nor more than 60 days’ notice, at the redemption prices set forth in the Indenture. Subject to certain conditions, up to 35% of the principal amount of the Notes is redeemable prior to June 15, 2014, using net proceeds from specified equity offerings at the redemption price set forth in the Indenture. At any time prior to June 15, 2016, the Company may also redeem all or a part of the Notes, upon not less than 30 nor more than 60 days’ notice, at a redemption price equal to 100% of the principal amount of the Notes being redeemed plus the applicable premium set forth in the Indenture. In addition, the Notes are redeemable, in whole but not in part, at the Company’s option at 100% of their principal amount, together with accrued interest, in the event of certain changes in the Mexican withholding tax rate.

This announcement is not an offer to sell the Notes. The Notes have not been registered under the Securities Act, and the foregoing may not be offered or sold in the United States absent registration or the availability of an applicable exemption from registration.

The above description of the Indenture is qualified in its entirety by reference to the terms of that agreement attached hereto as Exhibit 4.1.

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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report on Form 8-K to be signed on its behalf by the undersigned hereunto duly authorized.

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EXHIBIT INDEX

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