The term wildcat or wild cat may refer to several concepts:

• Wild Cat is a species of cat
• A wildcat strike is a strike of workers that is not authorized by union leadership
• Wildcat is often used in North America as a synonym for the Bobcat
• Wildcat (chess) is a chess engine
• Wildcat (comics) is a DC comics comic book character
• The F4F Wildcat is an American fighter plane from World War 2
• Wildcat is a graphics card series produced by 3Dlabs

• Wildcats (movie) is a 1986 movie starring Goldie Hawn about a American high school football team
• Wildcats (comics) is a Wildstorm comic book team