Usul
Appearance
Usul may refer to:
Ideas
- Usul al-fiqh, the principles of Islamic jurisprudence
- Usul al-Din, the principles of Islamic religion
- Usul (music), a rhythmic pattern used in Ottoman classical music.
Characters
- Usul, the secret tribal name of Paul Atreides in Frank Herbert's Dune novels
- a species in Neopets