Cage may refer to:
- Johnny Cage, real name John Carlton, is the part-time movie star and now-champion of Earthrealm who assisted the other Earthrealm warriors in stopping the merging of realms. Ex-husband to Sonya Blade.
- Sonya Blade, the Special Forces lieutenant who also assisted in stopping the merging of realms. Ex-wife to Johnny Cage.
- Cassie Cage, the daughter of Sonya Blade and Johnny Cage who uses both her parents' most iconic moves and skills. Debuts in Mortal Kombat X.