Ruff may refer to:
Places
- Ruff, Virginia, United States, an unincorporated community
- Ruff, Washington, United States, an unincorporated community
Other uses
- Ruff (bird) (Calidris pugnax or Philomachus pugnax), a bird in the wader family
- Ruff (cards), to play a trump card to a trick in cards
- Ruff (clothing), a very wide collar, usually stiff and thick
- Ruff (surname)
- Ranik Ultimate Fighting Federation, a Chinese mixed martial arts organization
- Real Ulster Freedom Fighters, a loyalist paramilitary organisation in Northern Ireland
- Australian herring or ruff, a fish
- USS Ruff (AMc-59), a coastal minesweeper laid down in 1940
- Ruff, a percussion rudiment similar to the drag
- Ruff, a 2015 album by Born Ruffians
- Ruff, a fictional cat on The Ruff & Reddy Show
- Ruff, a fictional dog in Dennis the Menace
- Ruff, a fictional boy in 40 Winks
- Ruff, a character in the video game, Dragon Quest VII
- Ruff, an onomatopoeia for a dog's bark
- Ruffs, a playable character in the video game Brawl Stars
- A sensational spelling of rough
See also
- Ruff and Honours, a 17th-century card game
- Ruff-Ruff, Tweet and Dave, an American children's CGI animated television series
- Ruff Ruffman, the animated dog host of Fetch! With Ruff Ruffman
- Ruff Ryders Entertainment, an American hip hop record label
- Ruff Ryders Indy
- "Ruff Ryders' Anthem", a song by DMX
- USS Ruff, a list of ships
- Ruffe, fish in the genus Gymnocephalus
- Ruffs (mixtape) by Kenny Mason