SECURITIES AND EXCHANGE COMMISSION
                                WASHINGTON, D.C.

                                    FORM 8-A

                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                     PURSUANT TO SECTION 12(b) OR (g) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


                   FIRST TRUST STRATEGIC HIGH INCOME FUND III
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             (Exact name of registrant as specified in its charter)


              MASSACHUSETTS                             74-3195115
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(State of Incorporation or Organization)   (I.R.S. Employer Identification No.)


1001 Warrenville Road, Suite 300, Lisle, Illinois          60532
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    (Address of Principal Executive Offices)             (Zip Code)


If this form relates to the registration of a class of securities pursuant to
Section 12(b) of the Exchange Act and is effective pursuant to General
Instruction A. (c), check the following box.--
[X]


If this form relates to the registration of a class of securities pursuant to
Section 12(g) of the Exchange Act and is effective pursuant to General
Instruction A. (d), check the following box.--
[ ]

Securities Act registration statement file number to which this form relates:
333-134540

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

       TITLE OF EACH CLASS                NAME OF EACH EXCHANGE ON WHICH
       TO BE SO REGISTERED                EACH CLASS IS TO BE REGISTERED

Common Shares of Beneficial Interest       New York Stock Exchange, Inc.
    $.01 par value per share

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

                                      NONE
                     --------------------------------------
                                (Title of Class)







                 INFORMATION REQUIRED IN REGISTRATION STATEMENT


ITEM 1.           DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED

         The securities to be registered hereunder are common shares of
beneficial interest, $.01 par value per share (the "Shares"), of First Trust
Strategic High Income Fund III (the "Registrant"). An application for listing of
the Shares has been filed with the New York Stock Exchange, Inc. A description
of the Shares is contained under the caption "Description of Shares," at page 39
of the Preliminary Prospectus, which is a part of the initial Registration
Statement on Form N-2 (Registration Nos. 333-139549 and 811-21994), filed with
the Securities and Exchange Commission on December 21, 2006. Such description is
incorporated by reference herein.


ITEM 2.           EXHIBITS

         Pursuant to the "Instruction as to Exhibits" of Form 8-A, no exhibits
are filed herewith or incorporated by reference.



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                                    SIGNATURE

         Pursuant to the requirements of Section 12(b) of the Securities
Exchange Act of 1934, the Registrant has duly caused this registration statement
to be signed on its behalf by the undersigned, thereto duly authorized.

                                     FIRST TRUST STRATEGIC HIGH INCOME FUND III

                                     By: /s/ W. Scott Jardine
                                         ----------------------------------
                                         W. Scott Jardine, Secretary


March 20, 2007




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