Tomahawk may refer to:

• The tomahawk, a type of axe made and used by Native Americans
• The BGM-109 Tomahawk cruise missile, built in the United States
• The Curtiss P-40 fighter aircraft
• Tomahawk, an alternative rock band fronted by Mike Patton
• Tomahawk, Wisconsin, a city and Tomahawk (town), Wisconsin, a nearby town
• A tomahawk is a geometric shape that can be used to trisect angles.
• In basketball, a tomahawk is a one-handed slam dunk, where the ball is brought over the head before being stuffed into the basket, in a chopping motion
• A US sounding rocket, the TE-416 Tomahawk.
• The 1951 movie Tomahawk directed by George Sherman .