Boss Music is the music used while facing bosses in all Kingdom Hearts games.
Kingdom Hearts
- Night of Fate - Leon, The Heartless;
- Destiny's Force - Darkside (Second and Third Battle), Opposite Armor, Parasite Cage (Second Battle), Jafar (Genie), Oogie Boogie (house), Behemoth (Hollow Bastion), Phantom;
- Shrouding Dark Cloud - Guard Armor, Trickmaster, Cloud (Story), Pot Centipede;
- Squirming Evil - Clayton and Stealth Sneak, Cerberus (Story), Jafar, Ursula, Oogie Boogie, Captain Hook, Maleficent, Hades;
- The Deep End - Giant Ursula, Maleficent (Dragon), Ansem and Guardian, Rock Titan, Ice Titan, Kurt Zisa
- One-Winged Angel (Originally FFVII) - Sephiroth;
- Forze Del Male - Dark-Riku (Xehanort's Heartless), Ansem with Guardian (Second Battle);
- Guardando Nel Buio - World of Chaos.
Kingdom Hearts: Chain of Memories
- Face It! - Unknown (Tutorial), Leon (Tutorial), Cloud, Monstro (Shadows)
- To Our Surprise - Card Soldiers
- Struggle Away - Guard Armor, Trickmaster, Parasite Cage, Darkside
- The 13th Struggle - Axel, Larxene, Vexen, Lexaeus, Ansem (First Battle)
- The Fight for My Friends - Hades, Jafar (Genie), Oogie Boogie, Giant Ursula, Captain Hook, Maleficent (Dragon)
- The Force in You - Riku Replica
- Graceful Assassin - Fake Marluxia
- Scythe of Petals - Marluxia's Specter
- Revenge of Chaos - Ansem (Final Battle)
Kingdom Hearts II
- Tension Rising - Twilight Thorn, Demyx (First Battle), Beast The Nobodies;
- The 13th Struggle - Axel, Luxord, Unknown, Axel, Luxord,
- Desire for all that is lost - Dark Thorn, Hydra, Pete in Timeless River (Second Battle), Volcanic Lord and Blizzard Lord,
- Vim and Vigor - Shan-Yu, Cerberus, Captain Barbossa and Illuminator;
- Dance to the Death - Thresholder/Possessor, Shadow Stalker, Prison Keeper, The Heartless;
- Rowdy Rumble - Pete in Olympus Coliseum (First Battle), Pete (?), Lock, Shock, and Barrel, Shenzi, Banzai, and Ed, Hades (First Battle);
- The Corrupted - Hostile Program, Storm Rider, Grim Reaper, The Experiment, Groundshaker;
- The 13th Dilemma - Demyx (Second Battle), Xaldin, Xigbar, Saïx, Demyx,Xaldin, Xigbar;
- The Encounter - Oogie Boogie, Hades (Second Battle), Scar, Jafar (Genie), Master Control Program and Commander Sark;
- Disappeared - Xemnas
- A Fight to the Death - Xemnas (Armor);
- Darkness of the Unknown - Dragoon Ship, Inexistent World;
- Sinister Shadows - Battle of the 1000 Heartless, The Nobodies and Sark.
Kingdom Hearts Re:Chain of Memories
- Hand in Hand - Leon (Tutorial)
- Go For It! - Cloud
- Lord of the Castle - Marluxia's Angelic
- The 13th Struggle - Zexion
- Revenge of Chaos - Ansem (Tutorial)
Kingdom Hearts II: Final Mix+
Kingdom Hearts: Birth by Sleep
- Rowdy Rumble - Lucifer