99 Puppies

The 101 Dalmatians make an appearance as a whole family as well as a side quest in Kingdom Hearts, where Sora finds and rescues their puppies (from chests). Despite being listed as 101 Dalmatians, there are only 99 puppies to be found; excluding Pongo and Perdita, who are already two.

Traverse Town

 * 1,2,3: The island across from Merlin's House (reached via the 3rd District). Glide is needed to fly past the rivers.
 * 4,5,6: 1st District. Red Trinity is required to break the wooden walls.
 * 7,8,9: Item Synthesis shop, after obtaining the Green Trinity Mark.
 * 10,11,12: Hidden in the Secret Waterway. Red Trinity is required to break the sewer gate.

Wonderland

 * 13,14,15: On a high platform in the Queen's castle. Reachable via a hidden exit in Lotus Forest.
 * 16,17,18: In one of the High Platforms in the Lotus Forest.
 * 19,20,21: In the Tea Party garden. High Jump is required to reach the roof.

Olympus Coliseum

 * 22,23,24: In the Blue Trinity beside the main gate.

Deep Jungle

 * 25,26,27: On the last isle in Hippo's Lagoon. Glide is required to reach there last isle.
 * 28,29,30: Vines 2(area), reachable via climbing the ivy in Hippo's Lagoon.
 * 31,32,33: Blue Trinity in Climbing Trees(area).
 * 34,35,36: Blue Trinity in the Camp Area.

Agrabah

 * 37,38,39: Chest in Aladdin's house.
 * 46,47,48: On a high point in Palace Gates. High Jump is required to reach.
 * 49,50,51: Near the entrance in Cave of Wonders.
 * 52,53,54: Aladdin is required in the party. Bounce up atop a treasure mound in the Cave of Wonders-Treasure Room

Halloween Town

 * 40,41,42: Bridge area, near the entrance of Oogie's Manor.(before Oogie Boogie is defeated)
 * 64,65,66: After defeating Oogie Boogie's 2nd form, go to Moonlight Hill and search for a secret doorway, go in the new accessible door to obtain the chest.
 * 67,68,69: In Jack's House, check under the staircase.
 * 70,71,72: Guillotine Square, use Glide to reach the "mouth" of a gray pumpkin's tower.

Monstro

 * 55,56,57: In Chamber 3.
 * 58,59,60: When the water level drops, the chest can be found on a stack of jetsam.

Neverland

 * 43,44,45: In a corner of the Clock Tower (Big Ben).
 * 82,83,84: When flying, on a beam in the ship's Hold.
 * 85,86,87: Yellow Trinity in the ship's Hold.
 * 88,89,90: Chest in the Captain's Cabin, after Anti-Sora's battle.

Hollow Bastion

 * 61,62,63: In the Grand Hall (second visit).
 * 91,92,93: At the bottom of Rising Falls, reachable via the bubble transport.
 * 94,95,96: Cast Gravity to lower the floating platform in the Castle Gates.
 * 97,98,99: Cast Gravity to lower the floating platform in the High Tower.

Rewards

 * 12 Puppies: Curaga-G gummi block
 * 21 Puppies: Firaga-G gummi block
 * 30 Puppies: Thundara-G gummi block
 * 42 Puppies: Mythril Shard
 * 51 Puppies: 100 Acre Woods torn page, Mythril
 * 60 Puppies: Megalixir
 * 72 Puppies: Orichalcum
 * 81 Puppies: Ultima-G Gummi block
 * 90 Puppies: Ribbon (equipment)
 * 99 Puppies: Every Gummi and Aero spell upgrade