Pyro may refer to:
In its meaning of fire:
- Fire itself – Pyr means "fire" in Greek
- An aluminum powder used in pyrotechnics for white flame and brightness
- Pyrotechnics, flames and explosives used in special effects
- Pyromaniac, a person who is obsessed with fire
- Pyrokinetic, the disputed ability of manipulating fire
- Jargon for pyrotechnic fasteners, also commonly known as explosive bolts
In computers and computer games:
Pyro may also refer to:
As a Prefix/Suffix in chemistry:
-pyr(o)- [Gr. pyr fire]