Knucklehead
- Ben Bowman (director)
- Five Finger Death Punch
- Grover Washington Jr.
- Harley-Davidson Knucklehead engine
- Hit Squad
- Knuckle Heads
- Knucklehead (2010 film)
- Knucklehead (2015 film)
- Knucklehead (band)
- Knuckleheads
- Knuckleheads Saloon
- List of Battle Angel Alita characters
- List of Nitrome Limited games
- Paul Winchell
- Soul Finger
- The Pee-wee Herman Show
- The Three Stooges
- Wisconsin Dells Parkway