Phase
- AC phase
- Apprentice Adept
- Archaeological phase
- Cause and Effect (Keane album)
- Color phase
- Complex number
- FASOR (disambiguation)
- Faze (disambiguation)
- Gametic phase
- Instantaneous phase
- Lunar phase
- Phantom Girl
- Phase (Jack Garratt album)
- Phase (Mildlife album)
- Phase (band)
- Phase (combat)
- Phase (matter)
- Phase (syntax)
- Phase (video game)
- Phase (waves)
- Phase 1 (disambiguation)
- Phase 10
- Phase 2 (disambiguation)
- Phase 3 (disambiguation)
- Phase 4 (disambiguation)
- Phase 5 (disambiguation)
- Phase factor
- Phase music
- Phase problem
- Phase separation
- Phase space
- Phase space (disambiguation)
- Phase space formulation
- Phaser (disambiguation)
- Phases (.hack)
- Phases (Alma and French Montana song)
- Phases (Angel Olsen album)
- Phases (Buffy the Vampire Slayer)
- Phases (I See Stars album)
- Phases (The Who album)
- Phases (band)
- Phasing (disambiguation)
- Phasor (disambiguation)
- Piano Phase
- Planetary phase
- Reed Phase
- Single-phase electric power
- Stage (disambiguation)
- State of matter
- Three-phase electric power
- Violin Phase