PHL may stand for:

Places

• The Philippines (ISO 3166-1 alpha-3 country code PHL)
• Philadelphia International Airport (IATA airport code PHL)
• 30th Street Station (Amtrak station code PHL), a railroad station in Philadelphia
• Pacific Harbor Line (reporting mark PHL), a short line railroad serving the ports of Long Beach and Los Angeles

Groups, organizations, companies

• Planet Half-Life, a videogaming website
• The Planetary Habitability Laboratory, a remote laboratory for the habitability of exoplanets

Hockey leagues

• Pacific Hockey League, a defunct ice hockey league in the United States
• Pakistan Hockey League, a field hockey league in Pakistan
• Premier Hockey League, a defunct field hockey league in India
• Professional Hockey League, a defunct ice hockey league in Ukraine

Other uses

• Philosophiae Licentiata (female) or Philosophiae Licentiatus (male), Licentiate in Philosophy, abbreviated as "PhL" or "Ph.L."
• Phl., code for the Epistle to the Philippians, a part of Christian Bible
• Phl — 2,4-Diacetylphloroglucinol, a natural antibiotic produced by some Pseudomonas species