<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>6
<FILENAME>ex23-123103.txt
<DESCRIPTION>EXHIBIT 23 NATIONAL INSTRUMENTS CORP. 2003 10-K
<TEXT>
                                                                      EXHIBIT 23

                       CONSENT OF INDEPENDENT ACCOUNTANTS


     We hereby  consent to the  incorporation  by reference in the  Registration
Statement on Form S-8 (No. 333-91671) of National Instruments Corporation of our
report dated January 21, 2004 relating to the consolidated  financial statements
and the financial statement schedule, which appears in this Form 10-K.


                                           /S/ PRICEWATERHOUSECOOPERS LLP
                                           --------------------------------
                                           PricewaterhouseCoopers LLP

Austin, Texas
January 26, 2004

</TEXT>
</DOCUMENT>