Phantasm may refer to:
- Phantasm
, an endgame bow made from Vortex Fragments - Phantasm Dragon, an enemy summoned by the Lunatic Cultist boss if you attack a duplicate
It may also refer to:
- Phantasmal Deathray, a highly damaging beam fired from the Moon Lord and True Eyes of Cthulhu
- Phantasmal Sphere, an attack used by the Moon Lord and True Eyes of Cthulhu
- Phantasmal Eye, an attack used by the Moon Lord and True Eyes of Cthulhu
- Phantasmal Bolt, an attack used by the Moon Lord and True Eyes of Cthulhu