LSI Logic Corporation FOrm 424(b)(3)

Filed Pursuant to Rule 424(b)(3)
Registration No. 333-81434

(To Prospectus filed on April 30, 2002)


(aggregate principal amount)

4.00% Convertible Subordinated Notes due 2006 and the
Common Stock Issuable Upon Conversion of the Notes

     This Prospectus Supplement, together with the Prospectus listed above, is to be used by certain holders of the above-referenced securities or by their transferees, pledgees, donees or their successors in connection with the offer and sale of the above referenced securities.

     The table captioned “Selling Securityholders” commencing on page 41 of the Prospectus is hereby amended to reflect the following additions and changes.

    Principal Amount at                        
    Maturity of Notes           Number of Shares of   Percentage of
    Beneficially Owned   Percentage of Notes   Common Stock That   Common Stock
Name   That May Be Sold   Outstanding   May Be Sold(1)   Outstanding(2)

Lehman Brothers Inc.
  $ 20,000,000       4.1 %     759,330       *  
Salomon Brothers Asset Management, Inc.
  $ 8,500,000       1.7 %     322,715       *  

*   Less than 1%
(1)   Assumes conversion of all of the holder’s notes at a conversion price of $26.339 per share of common stock. However, this conversion price will be subject to adjustment as described under “Description of Notes-Conversion Rights.” As a result, the amount of common stock issuable upon conversion of the notes may increase or decrease in the future.
(2)   Calculated based on Rule 13d-3(d)(i) of the Exchange Act using 375,235,197 shares of common stock outstanding as of May 6, 2003. In calculating this amount, we treated as outstanding the number of shares of common stock issuable upon conversion of all of that particular holder’s notes. However, we did not assume the conversion of any other holder’s notes.