Wilt is a surname. Notable people with the surname include:
Chad Wilt (born 1978), American football player and coach Clara Antoinette McCarty Wilt (1858–1929), the first woman superintendent of the Pierce County School District Marie Wilt (1833–1891), an Austrian dramatic coloratura soprano Peter Wilt, a soccer executive Raymond Wilt, a former Republican member of the Pennsylvania House of Representatives Rod Wilt, a former Republican member of the Pennsylvania House of Representatives Roy Wilt, a former Republican member of the Pennsylvania House of Representatives Toby S. Wilt (born c. 1945), American businessman and golfer W. William Wilt, a former Republican member of the Pennsylvania House of Representatives