Usul

Usul may refer to:

Islam

From ( of "root", "principle"):

• Usul al-fiqh, the principles of Islamic jurisprudence
• Usul al-din, the principles of Islamic religion

Books

• Usul al-Sama, a Sunny treatise
• Usul al-Ifta wa Adabuhu, a Fiqh guide

Music

• 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