Entertainment
- Ja Rule, a hip hop artist
- R.U.L.E., a 2005 greatest hits album by Ja Rule
- Rule (song), a song by rapper Nas
- "Rule/Sparkle", a song by Ayumi Hamasaki
- Rules (album), an album by the band The Whitest Boy Alive
- "Rules" (song), a KMFDM song
- "Rules", a Shakira song included on her album Laundry Service
- Rules: Pyaar Ka Superhit Formula, a 2003 Bollywood film
- The Rule, an American pop/R&B band
- The Rule (album), self-titled album by The Rule
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