Ruff
- 40 Winks (video game)
- Australian herring
- Born Ruffians
- Dennis the Menace (U.S.)
- Dragon Quest VII
- Kenny Mason
- Ranik Ultimate Fighting Federation
- Real Ulster Freedom Fighters
- Ruff (bird)
- Ruff (cards)
- Ruff (clothing)
- Ruff (surname)
- Ruff Ruffman
- Ruff Ryders Entertainment
- Ruff Ryders Indy
- Ruff Ryders' Anthem
- Ruff and Honours
- Ruff, Virginia
- Ruff, Washington
- Ruff-Ruff, Tweet and Dave
- Ruffe
- Ruffs (mixtape)
- USS Ruff
- USS Ruff (AMc-59)