The Kingdom Hearts II Original Soundtrack was first released in Japan on January 25, 2006 by Toshiba-EMI. It has yet to be released internationally in English, although it has been released in Japanese for the public. The 2-CD set contains all of the songs from Kingdom Hearts II (excluding the extra soundtrack in Kingdom Hearts II Final Mix). Many tracks from the Piano Collections Kingdom Hearts came from this soundtrack.
Track list
| Track | Title | Length | Artist | Composer |
| 1 | "Dearly Beloved" | 2:22 | Kaoru Wada | Yoko Shimomura |
| 2 | "Passion - KINGDOM Orchestra Instrumental Version" | 3:41 | Kaoru Wada | Utada Hikaru |
| 3 | "Passion ~opening version~" | 4:26 | Utada Hikaru | Utada Hikaru |
| 4 | "Lazy Afternoons" | 1:40 | Yoko Shimomura | Yoko Shimomura |
| 5 | "Sinister Sundown" | 1:14 | Yoko Shimomura | Yoko Shimomura |
| 6 | "The Escapade" | 1:17 | Yoko Shimomura | Yoko Shimomura |
| 7 | "Dive into the Heart -Destati-" | 1:49 | Yoko Shimomura | Yoko Shimomura |
| 8 | "Fragments of Sorrow" | 1:16 | Yoko Shimomura | Yoko Shimomura |
| 9 | "Tension Rising" | 1:34 | Yoko Shimomura | Yoko Shimomura |
| 10 | "Kairi" | 0:54 | Yoko Shimomura | Yoko Shimomura |
| 11 | "Missing You" | 1:53 | Yoko Shimomura | Yoko Shimomura |
| 12 | "The 13th Struggle" | 1:44 | Yoko Shimomura | Yoko Shimomura |
| 13 | "Roxas" | 1:18 | Yoko Shimomura | Yoko Shimomura |
| 14 | "Sora" | 1:29 | Yoko Shimomura | Yoko Shimomura |
| 15 | "The Afternoon Streets" | 1:36 | Yoko Shimomura | Yoko Shimomura |
| 16 | "Working Together" | 1:30 | Yoko Shimomura | Yoko Shimomura |
| 17 | "Friends in My Heart" | 1:01 | Yoko Shimomura | Yoko Shimomura |
| 18 | "Magical Mystery" | 0:52 | Yoko Shimomura | Yoko Shimomura |
| 19 | "A Twinkle in the Sky" | 0:57 | Yoko Shimomura | Yoko Shimomura |
| 20 | "Reviving Hollow Bastion" | 2:08 | Yoko Shimomura | Yoko Shimomura |
| 21 | "Scherzo Di Notte" | 1:19 | Yoko Shimomura | Yoko Shimomura |
| 22 | "Laughter and Merriment" | 1:06 | Yoko Shimomura | Yoko Shimomura |
| 23 | "Desire for All That is Lost" | 1:26 | Yoko Shimomura | Yoko Shimomura |
| 24 | "Organization XIII" | 1:22 | Yoko Shimomura | Yoko Shimomura |
| 25 | "Gearing Up" | 0:58 | Yoko Shimomura | Yoko Shimomura |
| 26 | "Shipmeisters' Shanty" | 2:00 | Yoko Shimomura | Yoko Shimomura |
| 27 | "Blast Off!" | 0:39 | Yoko Shimomura | Yoko Shimomura |
| 28 | "Asteroid Attack" | 1:16 | Yoko Shimomura | Yoko Shimomura |
| 29 | "Crossing the Finish Line" | 0:41 | Yoko Shimomura | Yoko Shimomura |
| 30 | "Waltz of the Damned" | 1:07 | Yoko Shimomura | Yoko Shimomura |
| 31 | "Dance of the Daring" | 1:04 | Yoko Shimomura | Yoko Shimomura |
| 32 | "Hesitation" | 1:10 | Yoko Shimomura | Yoko Shimomura |
| 33 | "Dance to the Death" | 1:47 | Yoko Shimomura | Yoko Shimomura |
| 34 | "Beauty and the Beast" | 0:46 | Yoko Shimomura | Alan Menken |
| 35 | "The Home of Dragons" | 1:32 | Yoko Shimomura | Yoko Shimomura |
| 36 | "Fields of Honor" | 1:16 | Yoko Shimomura | Yoko Shimomura |
| 37 | "Apprehension" | 1:17 | Yoko Shimomura | Yoko Shimomura |
| 38 | "Vim and Vigor" | 1:28 | Yoko Shimomura | Yoko Shimomura |
| 39 | "Cloudchasers" | 1:39 | Yoko Shimomura | Yoko Shimomura |
| 40 | "Olympus Coliseum" | 1:39 | Yoko Shimomura | Yoko Shimomura |
| 41 | "The Underworld" | 1:23 | Yoko Shimomura | Yoko Shimomura |
| 42 | "What Lies Beneath" | 1:29 | Yoko Shimomura | Yoko Shimomura |
| 43 | "Villains of a Sort" | 0:53 | Yoko Shimomura | Yoko Shimomura |
| 44 | "Rowdy Rumble" | 1:32 | Yoko Shimomura | Yoko Shimomura |
| 45 | "Mickey Mouse Club March" | 1:15 | Yoko Shimomura | Jimmie Dodd |
| 46 | "A Walk in Andante" | 0:55 | Yoko Shimomura | Yoko Shimomura |
| 47 | "Monochrome Dreams" | 1:04 | Yoko Shimomura | Yoko Shimomura |
| 48 | "Old Friends, Old Rivals" | 0:56 | Yoko Shimomura | Yoko Shimomura |
| 49 | "Floating In Bliss" | 1:31 | Yoko Shimomura | Yoko Shimomura |
| 50 | "Winnie the Pooh" | 1:38 | Yoko Shimomura | Richard M. Sherman Robert B. Sherman |
| 51 | "Bounce-O-Rama (Speed Up Version)" | 1:39 | Yoko Shimomura | Yoko Shimomura |
| Track | Title | Length | Artist | Composer |
| 1 | "Isn't It Lovely?" | 1:42 | Yoko Shimomura | Yoko Shimomura |
| 2 | "Let's Sing and Dance!" | 0:30 | Yoko Shimomura | Yoko Shimomura |
| 3 | "Swim This Way" | 2:21 | Yoko Shimomura | Yoko Shimomura |
| 4 | "Part of Your World" | 1:47 | Yoko Shimomura | Alan Menken |
| 5 | "Under the Sea" | 2:05 | Yoko Shimomura | Alan Menken |
| 6 | "Ursula's Revenge" | 2:15 | Yoko Shimomura | Yoko Shimomura |
| 7 | "A New Day is Dawning" | 2:09 | Yoko Shimomura | Yoko Shimomura |
| 8 | "Nights of the Cursed" | 1:56 | Yoko Shimomura | Yoko Shimomura |
| 9 | "He's a Pirate" | 1:29 | Yoko Shimomura | Klaus Badelt Geoffrey Zanelli Hans Zimmer |
| 10 | "The Corrupted" | 1:21 | Yoko Shimomura | Yoko Shimomura |
| 11 | "Hazardous Highway" | 1:12 | Yoko Shimomura | Yoko Shimomura |
| 12 | "A Day in Agrabah" | 1:51 | Yoko Shimomura | Yoko Shimomura |
| 13 | "Arabian Dream" | 1:35 | Yoko Shimomura | Yoko Shimomura |
| 14 | "This is Halloween" | 1:26 | Yoko Shimomura | Danny Elfman |
| 15 | "Spooks of Halloween Town" | 1:20 | Yoko Shimomura | Yoko Shimomura |
| 16 | "Adventures in the Savannah" | 1:49 | Yoko Shimomura | Yoko Shimomura |
| 17 | "Savannah Pride" | 1:20 | Yoko Shimomura | Yoko Shimomura |
| 18 | "The Encounter" | 1:49 | Yoko Shimomura | Yoko Shimomura |
| 19 | "Space Paranoids" | 1:42 | Yoko Shimomura | Yoko Shimomura |
| 20 | "Byte Bashing" | 1:20 | Yoko Shimomura | Yoko Shimomura |
| 21 | "Sinister Shadows" | 1:12 | Yoko Shimomura | Yoko Shimomura |
| 22 | "The 13th Dilemma" | 1:59 | Yoko Shimomura | Yoko Shimomura |
| 23 | "Showdown at Hollow Bastion" | 0:48 | Kaoru Wada | Yoko Shimomura |
| 24 | "One-Winged Angel (from Final Fantasy VII)" | 2:12 | Yoko Shimomura | Nobuo Uematsu |
| 25 | "Battleship Bravery" | 1:42 | Yoko Shimomura | Yoko Shimomura |
| 26 | "Sacred Moon" | 2:06 | Yoko Shimomura | Yoko Shimomura |
| 27 | "Deep Drive" | 1:38 | Yoko Shimomura | Yoko Shimomura |
| 28 | "Riku" | 1:16 | Yoko Shimomura | Yoko Shimomura |
| 29 | "Courage" | 0:53 | Yoko Shimomura | Yoko Shimomura |
| 30 | "Disappeared" | 2:22 | Yoko Shimomura | Yoko Shimomura |
| 31 | "A Fight to the Death" | 2:04 | Yoko Shimomura | Yoko Shimomura |
| 32 | "Darkness of the Unknown" | 4:36 | Yoko Shimomura | Yoko Shimomura |
| 33 | "Passion ~after the battle~" | 5:59 | Utada Hikaru | Utada Hikaru |
| 34 | "Fantasia alla marcia for piano, chorus and orchestra" | 7:45 | Kaoru Wada | Yoko Shimomura |
| 35 | "Destiny Islands" | 1:10 | Kaoru Wada | Yoko Shimomura |
| 36 | "Hand in Hand" | 0:40 | Kaoru Wada | Yoko Shimomura |
| 37 | "Sunset Horizons" | 1:30 | Kaoru Wada | Yoko Shimomura |
| 38 | "Dearly Beloved -Reprise-" | 1:28 | Kaoru Wada | Yoko Shimomura |
Trivia
- The thirteenth track on the first disc is Roxas's theme. Coincidentally, Roxas is the thirteenth member of the Organization XIII.