K¶
- KA-2 Des Scissors
- Kabazauls
- Kagemusha of the Blue Flame
- Kahkki, Guerilla of Dark World
- Kaibaman
- Kaiser Colosseum
- Kaiser Dragon
- Kaiser Glider
- Kaiser Sea Horse
- Kaminari Attack
- Kaminote Blow
- Kangaroo Champ
- Karate Man
- Karbonala Warrior
- Karma Cut
- Kasha
- Kazejin
- Kelbek
- Keldo
- Kid Guard
- Killer Needle
- King Dragun
- King Fog
- King of Destruction - Xexex
- King of the Beasts
- King of the Skull Servants
- King of the Swamp
- King of Yamimakai
- King Pyron
- King Tiger Wanghu
- King’s Knight
- Kinka-byo
- Kiryu
- Kiseitai
- Kishido Spirit
- Knight of the Red Lotus
- Knight’s Title
- Koa’ki Meiru Beetle
- Koa’ki Meiru Boulder
- Koa’ki Meiru Crusader
- Koa’ki Meiru Doom
- Koa’ki Meiru Drago
- Koa’ki Meiru Ghoulungulate
- Koa’ki Meiru Gravirose
- Koa’ki Meiru Guardian
- Koa’ki Meiru Hydro Barrier
- Koa’ki Meiru Ice
- Koa’ki Meiru Maximus
- Koa’ki Meiru Powerhand
- Koa’ki Meiru Rooklord
- Koa’ki Meiru Sea Panther
- Koa’ki Meiru Speeder
- Koa’ki Meiru Tornado
- Koa’ki Meiru Urnight
- Koa’ki Meiru Valafar
- Koa’ki Meiru War Arms
- Koitsu
- Kojikocy
- Kotodama
- Koumori Dragon
- Kozaky
- Kozaky’s Self-Destruct Button
- Krebons
- Kryuel
- Kumootoko
- Kunai with Chain
- Kunoichi
- Kurama
- Kuraz the Light Monarch
- Kuriboh
- Kuribon
- Kuwagata α
- Kwagar Hercules
- Kycoo the Ghost Destroyer