Bahamut can refer to:
- Bahamut — An esper obtainable after defeating it in Eternal Summit.
- Bahamut (Monster) — An enemy that is an optional part of the main story and can be found in Eternal Summit.
- Bahamut (BF) — An enemy from the Brave Frontier events, Grand Gaia Chronicles and Grand Gaia Chronicles (Update).
- Bahamut (FFXIII) — An enemy from the Final Fantasy XIII event, The Fifth Ark.