Katt may refer to:

People

Given name or nickname

• Big Katt (born 1977), American football player
• Katt Shea (born 1955), American actress
• Katt Williams (born 1971), American rapper and actor

Surname

• George Katt (born 1975), American actor
• Geraldine Katt (1920–1995), Austrian actress
• Latika Katt (born 1948), Indian sculptor
• Nicky Katt (born 1970), American actor
• Ray Katt (1927–1999), American baseball player and coach
• Stephan Katt (born 1979), German racing driver
• William Katt (born 1951), American actor
• William Herman Katt (1915–1992), American actor

Other uses

• Katt (Breath of Fire), a character in the video game Breath of Fire II
• Katt, a village in Shaheed Bhagat Singh Nagar district of Punjab State, India
• KATT-FM, a radio station in Oklahoma City