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 ENERGY INFRASTRUCTURE FUND
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             (Exact name of registrant as specified in its charter)


             MASSACHUSETTS                               45-2751056
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(State of Incorporation or Organization)    (I.R.S. Employer Identification No.)


120 East Liberty Drive, Suite 400, Wheaton, Illinois             60187
----------------------------------------------------   -------------------------
     (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:
333-172439


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

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

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


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

                                      NONE
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                                (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 Energy
Infrastructure Fund (the "Registrant"). An application for listing of the Shares
has been filed with the New York Stock Exchange, LLC. A description of the
Shares is contained under the caption "Description of Shares" in the Preliminary
Prospectus, which is a part of the initial Registration Statement on Form N-2
(Registration Nos. 333-172439 and 811-22528), filed with the Securities and
Exchange Commission on February 25, 2011. Such description is incorporated by
reference herein. In addition, the above-referenced description included in any
Prospectus relating to the Registration Statement filed with the Commission
pursuant to Rule 497 under the Securities Act of 1933, as amended, shall be
deemed to be incorporated herein by reference.


ITEM 2.  EXHIBITS

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







                                   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 ENERGY INFRASTRUCTURE FUND


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

August 30, 2011