UNITED STATES
                       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 the earliest event reported)
                                February 21, 2006
                                ----------------

                             Kronos Worldwide, Inc.
             ------------------------------------------------------
             (Exact name of Registrant as specified in its charter)

 Delaware                           1-31763                    76-0294959
- -------------------           ------------------           -----------------
(State or other                  (Commission                  (IRS Employer
jurisdiction of                  File Number)                 Identification
incorporation)                                                       No.)

5430 LBJ Freeway, Suite 1700, Dallas, Texas                     75240-2697
- ----------------------------------------------                 ------------
    (Address of principal executive offices)                    (Zip Code)

               Registrant's telephone number, including area code
                                 (972) 233-1700
                                 --------------


         (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 (see General Instruction A.2):

[   ]     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 7.01 Regulation FD Disclosure. The registrant hereby furnishes the information set forth in its press release issued on February 21, 2006, a copy of which is attached hereto as Exhibit 99.1 and incorporated herein by reference. The information, including the exhibit, the registrant furnishes in this report is not deemed "filed" for purposes of section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section. Registration statements or other documents filed with the Securities and Exchange Commission shall not incorporate this information by reference, except as otherwise expressly stated in such filing. Item 9.01 Financial Statements and Exhibits. (c) Exhibits. Item No. Exhibit Index - ---------- ---------------------------------------- 99.1 Press Release dated February 21, 2006 issued by the registrant.

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. KRONOS WORLDWIDE, INC. (Registrant) By: /s/ A. Andrew R. Louis ---------------------------- A. Andrew R. Louis Assistant Secretary Date: February 21, 2006

INDEX TO EXHIBITS Exhibit No. Description - ----------- -------------------------------------------------- 99.1 Press Release dated February 21, 2006 issued by the registrant.


KRONOS WORLDWIDE, INC.               Contact: Gregory M. Swalwell
Three Lincoln Centre                          Vice President,  Finance and Chief
5430 LBJ Freeway, Suite 1700                  Financial Officer
Dallas, Texas   75240-2697                    (972) 233-1700
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                                 PRESS RELEASE
- ------------------------------------------------------------------------------


FOR IMMEDIATE RELEASE


               KRONOS WORLDWIDE, INC. ANNOUNCES QUARTERLY DIVIDEND


     DALLAS,  TEXAS - February 21, 2006 - Kronos  Worldwide,  Inc.  (NYSE:  KRO)
announced that its board of directors has declared a regular quarterly  dividend
of twenty five cents ($0.25) per share on its common stock, payable on March 27,
2006 to stockholders of record at the close of business on March 10, 2006.

     Kronos  Worldwide,  Inc.  is a major  international  producer  of  titanium
dioxide pigments.

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