Grog is an alcoholic beverage.
Grog may also refer to the following:
- Grog (clay), a type of ceramic
- Grog (film), a 1982 Italian film starring Franco Nero
- Grogs (Known Space), fictional alien species in Larry Niven's Known Space universe
- Grog (Marvel Comics), a fictional character in Marvel Comics
- The Grogs, a Canadian puppet troupe
- Operation Grog, a British Second World War operation
- Grog, a character in the B.C. comic strip
- Grog, member of Die So Fluid and Feline
- Grog Strongjaw, a goliath barbarian / fighter in the D&D Web Series Critical Role
See also
- Edward Vernon (1684–1757), English naval officer nicknamed "Old Grog"
- Grogg, a Welsh clay caricature
- Grogger (disambiguation)