LΒΆ
- La Jinn the Mystical Genie of the Lamp
- Labyrinth of Nightmare
- Labyrinth Tank
- Labyrinth Wall
- Lady Assailant of Flames
- Lady Ninja Yae
- Lady of Faith
- Lady Panther
- Lair Wire
- Larvae Moth
- Larvas
- Laser Cannon Armor
- Last Day of Witch
- Last Resort
- Last Turn
- Last Will
- Launcher Spider
- Lava Battleguard
- Lava Dragon
- Lava Golem
- Layard the Liberator
- Left Arm of the Forbidden One
- Left Leg of the Forbidden One
- Legacy Hunter
- Legacy of Yata-Garasu
- Legendary Black Belt
- Legendary Ebon Steed
- Legendary Fiend
- Legendary Flame Lord
- Legendary Jujitsu Master
- Legendary Sword
- Leghul
- Lekunga
- Leogun
- Lesser Dragon
- Lesser Fiend
- Level Conversion Lab
- Level Down!?
- Level Eater
- Level Limit - Area A
- Level Limit - Area B
- Level Modulation
- Level Retuner
- Level Tuning
- Level Up!
- Level Warrior
- Levia-Dragon - Daedalus
- Lich Lord, King of the Underworld
- Life Absorbing Machine
- Life Equalizer
- Lifeforce Harmonizer
- Light and Darkness Dragon
- Light Barrier
- Light Effigy
- Light End Dragon
- Light-Imprisoning Mirror
- Light Laser
- Light of Intervention
- Light of Judgment
- Light of Redemption
- Light Spiral
- Lighten the Load
- Lightforce Sword
- Lightning Blade
- Lightning Conger
- Lightning Punisher
- Lightning Vortex
- Lightsworn Barrier
- Lightsworn Sabre
- Lightwave Tuning
- Limit Impulse
- Limit Reverse
- Limiter Overload
- Limiter Removal
- Lineage of Destruction
- Linear Accelerator Cannon
- Liquid Beast
- Little Chimera
- Little-Winguard
- Lizard Soldier
- Lone Wolf
- Lonefire Blossom
- Lord British Space Fighter
- Lord of D.
- Lord of the Lamp
- Lord Poison
- Lost Guardian
- Lucky Chance
- Lucky Cloud
- Lucky Iron Axe
- Lucky Pied Piper
- Lumina, Lightsworn Summoner
- Luminous Soldier
- Luminous Spark
- Luster Dragon
- Luster Dragon #2
- Lycanthrope
- Lyla, Lightsworn Sorceress