Boss Music is the music used while facing bosses in all Kingdom Hearts Games.
Kingdom Hearts
- Night of Fate - Leon;
- Destiny's Force - Darkside (Second and Third Battle), Opposite Armor, Parasite Cage (Second Battle), Jafar (Genie), Oogie Boogie (house), Behemoth (Hollow Bastion), Phantom and Clock Tower;
- Shrouding Dark Cloud - Guard Armor, Trickmaster, Sabor (Fourth Battle)), Cloud (Story);
- Squirming Evil - Clayton anf Stealth Sneak, Cerberus (Story), Jafar, Ursula, Oogie Boogie, Captain Hook, Maleficent;
- The Deep End - Giant Ursula, Maleficent Dragon, Xehanort's Heartless and Guardian (World of Chaos), Rock Titan, Ice Titan ,Kurt Zisa
- One-Winged Angel (Originally FFVII) - Sephiroth;
- Forze Del Male - Dark-Riku (Xehanort's Heartless;
- Guardando Nel Buio - Xehanort's Heartless with Guardian (World of Chaos) (Second Battle), World of Chaos.
Kingdom Hearts II
- Tension Rising (KH)- Twilight Thorn, Demyx (First Battle), Beast
- The 13th Struggle (KHCOM, KHII)- Axel (First/Second Battle), Luxord, Unknown, Axel Data, Luxord Data
- Desire for all that is lost (KHII) - Dark Thorn, Hydra, Retro-Pete (Second Battle), Volcanic Lord and Blizzard Lord
- Vim and Vigor - (KHII)Shan-Yu and Hayabusa, Cerberus (First Battle), Captain Barbossa/Undead Barbossa and Illuminator
- Dance to the Death (KHII) - Thresholder/Possessor, Shadow Stalker, Prison Keeper
- Rowdy Rumble (KHII) - Pete (First Battle), Pete (?), Retro-Pete (First Battle)
- The Corrupted (KHII) - Hostile Program, Storm Rider, Grim Reaper, The Experiment, Groundshaker
- The 13th Dilemma (KHII)- (KHII) Demyx (Second Battle), Xaldin, Xigbar, Saix, Data Demyx, Data Saix, Data Xaldin, Data Xigbar
- The Encounter (KHII) - Oogie, Hades (First Battle), Scar, Jafar (Genie), Master Control Program and Commander Sark
- Disappeared (KHIFM, KHII) - Xemnas, Data Xemnas
- A Fight to the Death (KHII) - Xemnas (Armor)
- Darkness of the Unknown (KHII) - Dragoon Ship, Inexistent World
- Sinister Shadows (KHII) - Pride