Colt

Colt may mean many things, like:
Colt (horse) a young male horse

Sports
Indianapolis Colts, a National Football League
Houston Astros, a Major League Baseball franchise previously known as the Houston Colt .45's
Barrie Colts, an Ontario Hockey League

Weapons

Colt Single Action Army, a gun
Colt M1911, a gun

Other
Colt's Manufacturing Company, a firearms company
Colt, Arkansas
Mitsubishi Colt, a car
Colt, a name that NATO uses about the aircraft Antonov An-2.