SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 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): November 11, 2003





                                OLIN CORPORATION
             (Exact name of registrant as specified in its charter)

            Virginia                        1-1070              13-1872319
(State or Other Jurisdiction of    (Commission File Number)    (IRS Employer
         Incorporation)                                      Identification No.)

P.O. Box 4500, 501 Merritt 7,                                   06856-4500
        Norwalk, Connecticut
(Address of principal executive offices)                        (Zip Code)

                                 (203) 750-3000
              (Registrant's telephone number, including area code)


                                 Not Applicable
          (Former name or former address, if changed since last report)














Item 7.           Exhibits.
                  --------

        Exhibit No.                                 Exhibit
        ----------                                  -------

           99.1              Press Release, dated November 11, 2003.

Item 9.           Regulation FD Disclosure.
                  -------------------------

         In accordance with General Instruction B.2. of Form 8-K, the following
information shall not be deemed to be "filed" for purposes of Section 18 of the
Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated
by reference in any filing under the Securities Act of 1933, as amended. Olin
disclaims any intention or obligation to update or revise this information.

         Attached as Exhibit 99.1, and incorporated herein by reference, is a
copy of the registrant's press release dated November 11, 2003, announcing a
presentation to be made at investor meetings sponsored by Buckingham Research on
November 18, 2003.




                                    SIGNATURE

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

                                OLIN CORPORATION

                                By:               /s/ George H. Pain
                                         -----------------------------------
                                         Name:    George H. Pain
                                         Title:   Vice President, General
                                                  Counsel and Secretary

Date:  November 11, 2003






                                  EXHIBIT INDEX

       Exhibit No.                       Exhibit
       ----------                        -------

          99.1             Press Release, dated November 11, 2003.