UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 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): May 13, 2005

                             NEENAH FOUNDRY COMPANY
             (Exact name of registrant as specified in its charter)

<Table>

                                                                            

               WISCONSIN                               333-28751                             39-1580331
    (State or other jurisdiction of            (Commission File Number)           (IRS Employer Identification No.)
            incorporation)
</Table>

                               2121 BROOKS AVENUE
                                  P.O. BOX 729
                             NEENAH, WISCONSIN 54957

          (Address of Principal executive offices, including Zip Code)


                                 (920) 725-7000
              (Registrant's telephone number, including area code)


                                 NOT APPLICABLE
          (Former name or former address, if changed since last report)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
    230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
    240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))




ITEM 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION

Neenah Foundry Company announced that it will host a conference call at 10 a.m.
(Central Time) on Thursday, May 19, 2005 to discuss its Quarterly Report on Form
10-Q for the quarter ended March 31, 2005. A replay of this call will be
available until May 26, 2005. Details of the call and the replay thereof are
included in the press release attached as Exhibit 99.1 hereto.

ITEM 7.01 REGULATION FD DISCLOSURE

The information set forth under Item 2.02 of this Report on Form 8-K is hereby
incorporated in Item 7.01 by reference.


ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS.

     (c) Exhibits

      Number         Description
      ------         -----------
       99.1          Press Release dated May 13, 2005





                                   SIGNATURES

     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.

                              NEENAH FOUNDRY COMPANY


                              /s/ Gary W. LaChey
                              -------------------------------------------------
Date: May 13, 2005            Name:   Gary W. LaChey
                              Title:  Secretary, Chief Financial Officer, Chief
                                      Operating Officer and Chief Financial
                                      Officer






                                  EXHIBIT INDEX

<Table>
<Caption>

      Number      Description
      ------      -----------
               
       99.1       Press Release dated May 13, 2005
</Table>