SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM 8-A


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


                            EATON VANCE INSURED OHIO
                              MUNICIPAL BOND FUND I
                   __________________________________________
             (Exact Name of Registrant as Specified in its Charter)


             Massachusetts                                 Pending
    _______________________________             _____________________________
(State of Incorporation or Organization)    (I.R.S. Employer Identification No.)


        The Eaton Vance Building
            255 State Street
           Boston, Massachusetts                            02109
    ________________________________                 ___________________
(Address of Principal Executive Office)                  (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:
333-100445

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,        American Stock Exchange
         $0.01 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 description of the Registrant's securities to be registered is
         incorporated by reference to the description contained under the
         caption "Description of Capital Structure" in the Registrant's
         Registration Statement on Form N-2 (Nos. 333-100445 and 811-21226) as
         filed electronically with the Securities and Exchange Commission on
         October 9, 2002 (Accession No. 0000898432-02-000698) ("Registration
         Statement on Form N-2"), as the same may be amended.

Item 2:  Exhibits.

         (a)  The following exhibits are being filed with the Commission:

              1.   Registrant's Registration Statement on Form N-2 is
                   incorporated herein by reference.

              2.   Form of Specimen Certificate for Registrant's Shares, par
                   value $0.01 per share, which was filed electronically as
                   exhibit (d) to the Registrant's Registration Statement on
                   Form N-2, is incorporated herein by reference.

              3.   Declaration of Trust of Registrant, which was filed
                   electronically as exhibit (a) to the Registrant's
                   Registration Statement on Form N-2, is incorporated herein by
                   reference.

              4.   By-Laws of Registrant, which were filed electronically as
                   exhibit (b) to the Registrant's Registration Statement on
                   Form N-2, are incorporated herein by reference.


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                                    SIGNATURE

      Pursuant to the requirements of Section 12 of the Securities Exchange Act
of 1934, the Registrant has duly caused this registration statement to be signed
on behalf of the undersigned, thereto duly authorized, this 10th day of October
2002.

                                EATON VANCE INSURED OHIO
                                MUNICIPAL BOND FUND I

                                                  /s/ Thomas J. Fetter

                                           By: ________________________
                                               Name:  Thomas J. Fetter
                                               Title: President









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