This is a list of all the bosses of Final Fantasy X.

[edit] Storyline Bosses

In order of facing them:

• Sinspawn: Ammes & Sinscale A
• Geosgaeno
• Klikk
• Tros
• Sin (SS Liki Encounter) & Sinscale B
• Sinspawn: Echuilles & Sinscale C
• Sinspawn: Geneaux
• Oblizerator
• Chocobo Eater
• Sinspawn: Gui
• Extractor
• Spherimorph
• Crawler & Negator
• Seymour, Anima, & Guado Guardians
• Wendigo & Guado Guardians
• Evrae
• Isaaru's Aeons: Grothia, Pterya, & Spathi
• Evrae Altana
• Seymour Natus & Mortibody
• Defender X
• Biran Ronso & Yenke Ronso
• Seymour Flux & Mortiorchis
• Sanctuary Keeper
• Spectral Keeper
• Yunalesca
• Sin's Left Fin
• Sin's Right Fin
• Sinspawn: Genais & Sin's Core
• Overdrive Sin
• Seymour Omnis
• Braska's Final Aeon (1st Form)
• Braska's Final Aeon (2nd Form)

[edit] Optional Bosses

• Geosgaeno (second battle)
• Lord Ochu
• Ultima Weapon
• Omega Weapon
• Yojimbo

[edit] Belgemine's Aeons

• Valefor
• Ifrit
• Ixion
• Shiva
• Bahamut
• Yojimbo
• Anima
• Magus Sisters

[edit] Dark Aeons & Penance

For information on these, view Dark Aeons (FFX).

[edit] Monster Arena Bosses

For information on these, view Monster Arena (FFX).