Boner may refer to:
- A boning knife, a narrow knife for removing bones from meat, poultry or fish
- A United States Department of Agriculture carcass grade for slaughter cattle
- Richard "Boner" Stabone, a recurring character on the TV series Growing Pains
- Boner Records, a California based independent label
- Boner's Ark, a comic strip about a sailing ship filled with animals
- The Boner Awards feature on Radio From Hell, a morning radio show on Salt Lake City-based X96
- Bill Boner, former mayor of Nashville
- John Henry Boner, a North Carolina poet
Boner is also a slang term for:
- An erection of the penis
- A Zamboni ice resurfacing vehicle operator
- A trombone
- A trombonist
- A blooper, a small mistake having an amusing effect
- A blunder or howler, a spectacularly bad or embarrassing mistake (e.g. Merkle's Boner)