Loki could refer to:
- Loki Laufeyson - A Marvel Comics supervillain and foe of Thor.
- Loki Laufeyson - Version of Loki from the Marvel Cinematic Universe.
- Loki Laufeyson - A chronal variant of the MCU Loki.
- Loki - A 2004 comic book limited series.
- Loki (IV) - An actor from the "S.O.S. (Part 2)" episode of Agents of S.H.I.E.L.D..