Wilt may refer to:

• Wilting, the loss of rigidity of non-woody parts of plants
• WILT, An acronym commonly used in instant messaging for 'What I'm Listening To'
• Wilt disease, which can refer to a number of different diseases in plants.
• wilt, an archaic verb form, see will and shall

In literature and film:

• Wilt (novel), a novel by Tom Sharpe
  • Wilt (film), a 1989 adaptation of Sharpe's novel
• Wilt: Larger than Life, a biography of Wilt Chamberlain by Robert Cherry
• Wilt: Just Like Any Other 7-Foot Black Millionaire Who Lives Next Door, an autobiography by Wilt Chamberlain

In other media:

• Wilt (band), an Irish indie rock band formed by ex-members of Kerbdog
• WILT (FM), a radio station (103.7 FM) licensed to serve Wrightsville Beach, North Carolina, United States
• WILT-LD, a low-power television station (channel 33, virtual 24) licensed to serve Wilmington, North Carolina
• WYHW, a radio station (104.5 FM) licensed to serve Wilmington, North Carolina, which held the call sign WILT from 2008 to 2015
• WRMR (FM), a radio station (98.7 FM) licensed to serve Jacksonville, North Carolina, which held the call sign WILT from 2005 to 2008
• "Wilt", a song by Blind Melon from Soup
• Wilt, a fictional character from the animated TV series Foster's Home for Imaginary Friends

People with the given name:

• Wilt Chamberlain, a Hall of Fame American basketball player, born Wilton Chamberlain

People with the surname:

• Wilt (surname)