SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

    NOTIFICATION OF REDEMPTION OF SECURITIES PURSUANT TO RULE 23c-2 UNDER THE
                         INVESTMENT COMPANY ACT OF 1940

                       Securities Act File No. 333-100085
                    Investment Company Act File No. 811-21142

                     EATON VANCE INSURED MUNICIPAL BOND FUND
                     ---------------------------------------
                               Name of Registrant

                       255 STATE STREET, BOSTON, MA 02109
                       ----------------------------------
                      Address of Principal Executive Office

      The undersigned registered closed-end investment company hereby notifies
the Securities and Exchange Commission that it intends to redeem securities of
which it is the issuer, as set forth below in accordance with the requirements
of Rule 23c-2 under the Investment Company Act of 1940 (the "Act"), and states
that it is filing this notice with the Commission pursuant to permission granted
by the Commission staff fewer than 30 days prior to the date set for the
redemption.

(1)   Title of Class of Securities to be Redeemed:

          AUCTION PREFERRED SHARES ("APS") SERIES A, SERIES B, SERIES C, SERIES
      D, AND SERIES E

(2)   Date on Which the Securities are to be Redeemed:

          THE APS WILL BE REDEEMED ON THE DIVIDEND PAYMENT DATE FOR EACH SERIES
      AS FOLLOWS:  SERIES A ON JULY 8, 2008, SERIES B ON JULY 9, 2008, SERIES C
      ON JULY 10, 2008, SERIES D ON JULY 11, 2008, AND SERIES E ON JULY 7, 2008.

(3)   Applicable Provisions of the Governing Instrument Pursuant to Which the
      Securities are to be Redeemed:

          ARTICLE VII, PARAGRAPHS 4(A)(I), 4(B) AND 4(C) OF THE AMENDED BY-LAWS

(4)   Number of Shares and the Basis Upon Which the Securities to be Redeemed
      are to be Selected:

          THE FUND INTENDS TO REDEEM, BY LOT (AS DETERMINED BY THE DEPOSITORY
      TRUST COMPANY), THE NUMBER OF OUTSTANDING APS SET FORTH BELOW:

          SERIES                           NUMBER OF SHARES
          ------                           ----------------

          A                                1,425

          B                                1,425

          C                                1,425

          D                                1,425

          E                                1,425

      Please note that this notice serves only to disclose a proposed redemption
of each of the APS Series. Such redemption remains subject to the completion of
financing.



                                    SIGNATURE

      Pursuant to Rule 23c-2 under the Act, the registrant has caused this
notification to be duly executed on its behalf in the City of Boston and the
Commonwealth of Massachusetts on the 23rd day of June 2008.

                                       EATON VANCE INSURED MUNICIPAL BOND FUND


                                       By: /s/Maureen A. Gemma
                                           -------------------
                                       Name: Maureen A. Gemma
                                       Title: Secretary