Ignition

Ignition may refer to:
 Firelighting, the act of starting a fire
 Combustion, a chemical reaction that produces heat and fire

 Music 
 Ignition (album), an album by The Offspring
 "Ignition (Remix)", a 2002 song by R. Kelly
 "Ignition", a song by Trivium from the album The Crusade, 2006

 Vehicles 
Ignition system, the system that starts an engine
Ignition coil, a part in an ignition system