<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>nlconsent.txt
<TEXT>
                                                                    Exhibit 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS


We consent to the incorporation by reference in the:

(i)  Registration Statement No. 33-29287 on Form S-8 and related Prospectus with
     respect to the 1989 Long Term Performance  Incentive Plan of NL Industries,
     Inc.; and

(ii) Registration Statement No. 33-25913 on Form S-8 and related Prospectus with
     respect to the NL Industries, Inc. Retirement Savings Plan; and

(iii)Registration  Statement  No.  333-65817 on Form S-8 and related  Prospectus
     with respect to the NL Industries, Inc. 1998 Long-Term Incentive Plan; and

(iv) Registration Statement No. 33-48145 on Form S-8 and related Prospectus with
     respect to the NL Industries, Inc. 1992 Non-Employee Directors Stock Option
     Plan.

of our  report  dated  February  12,  2003  on our  audits  of the  consolidated
financial  statements and financial statement  schedules of NL Industries,  Inc.
("NL") as of December 31, 2002 and 2001,  and for each of the three years in the
period ended December 31, 2002, which report is included in this Amendment No. 2
to NL's Industries, Inc.'s Annual Report on Form 10-K.





                                    PricewaterhouseCoopers LLP



Houston, Texas
October 31, 2003




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</DOCUMENT>
