PHM may refer to:
PulteGroup, NYSE stock symbol Penn-Harris-Madison School Corporation, Indiana, US A US Navy hull classification symbol: Patrol missile hydrofoil (PHM) Proto-Hmong–Mien language PHM Racing, a German auto racing team
Science Master of Philosophy (M.Phil. or Ph.M.) Prognostics and health management Pure homopolar motor, is an electric motor not requiring brushes, electronics, or semiconductor parts to convert direct current into torque. Passive hydrogen maser, a type of atomic clock
Media Pretty Hate Machine, the 1989 debut album from Nine Inch Nails Project Hail Mary, a 2021 book by Andy Weir Project Hail Mary (film), its 2026 film adaptation