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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 8-K

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

        Date of report (Date of earliest event reported) January 25, 2006

                             ALIGN TECHNOLOGY, INC.
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             (Exact Name of Registrant as Specified in Its Charter)

                                    Delaware
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                 (State or Other Jurisdiction of Incorporation)

                 0-32259                                  94-3267295
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        (Commission File Number)              (IRS Employer Identification No.)

   881 Martin Avenue, Santa Clara, California               95050
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    (Address of Principal Executive Offices)              (Zip Code)

                                 (408) 470-1000
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              (Registrant's Telephone Number, Including Area Code)

                                 Not applicable
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          (Former Name or Former Address, if Changed Since Last Report)

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):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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ITEM 2.02   RESULTS OF OPERATIONS AND FINANCIAL CONDITION

        On January 25, 2006, Align Technology, Inc. ("Align") is issuing a press
release and holding a conference call regarding its financial results for its
fourth quarter and full fiscal year ended December 31, 2005. The full text of
the press release is furnished as Exhibit 99.1 to this Form 8-K.

        This information shall not be deemed "filed" for purposes of Section 18
of the Securities and Exchange Act of 1934, as amended (the "Exchange Act"), or
incorporated by reference in any filing under the Securities Act of 1933, as
amended, or the Exchange Act, except as shall be expressly set forth by specific
reference in such a filing.

        Align is making reference to non-GAAP financial information in both the
press release and the conference call. A reconciliation of non-GAAP financial
measures contained in the attached press release to the comparable GAAP
financial measures is contained in the attached press release and a
reconciliation of these and certain other non-GAAP financial information
provided on the conference call is contained on the Investor Relations section
of our website at investor.aligntech.com.

ITEM  9.01. FINANCIAL STATEMENTS AND EXHIBITS

      (d)   EXHIBITS.

   EXHIBIT NO.                             DESCRIPTION
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      99.1       Press Release of Align Technology, Inc. dated January 25, 2006



                                   SIGNATURES

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

Dated: January 25, 2006                         ALIGN TECHNOLOGY, INC.

                                                By:  /s/ Eldon M. Bullington
                                                     ---------------------------
                                                     Eldon M. Bullington
                                                     Vice President of Finance
                                                     and Chief Financial Officer



                                INDEX TO EXHIBITS

   EXHIBIT NO.                             DESCRIPTION
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      99.1       Press Release of Align Technology, Inc. dated January 25, 2006