Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report of Kforce Inc. (“Kforce”) on Form 10-Q for the quarterly period ended June 30, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Form 10-Q”), I, David L. Dunkel, Chief Executive Officer of Kforce, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
| 1) | The Form 10-Q fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and |
| 2) | The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Kforce. |
Date: August 8, 2012
/s/ David L. Dunkel |
| David L. Dunkel, |
| Chief Executive Officer |
| (Principal Executive Officer) |