Phosphorus (disambiguation)

Phosphorus is a chemical element with symbol P and atomic number 15.

Phosphorus may also refer to:
 * Phosphorus (morning star), the Morning Star, the planet Venus in its morning appearance
 * Phosphorus (horse)
 * Phosphorus (beetle), a genus of longhorn beetles
 * Phosphorus (Thrace), a town of ancient Thrace, now in Turkey
 * Phosphorus(cybercrime group) an Iranian Cybercrime group