Kelp Plant
Kelp is aquatic algae found in most oceans. It can be planted underwater and grows over time (though not forever) or from bone meal usage. Smelting it results in dried kelp, which is edible and craftable into dried kelp blocks.
Knowledge Book
A knowledge book is a utility item that reveals available crafting recipes to the player when used.
Ladder
The ladder is a block used for climbing walls either vertically or horizontally. They can be placed only on the sides of other blocks.
Lantern
Lanterns are blocks that emit light.
Block of Lapis Lazuli
A block of lapis lazuli, internally known as a lapis block, is a mineral block equivalent to nine pieces of lapis lazuli.
Lapis Lazuli
Lapis lazuli is a mineral required to enchant items in an enchanting table. It is also a major source of blue dye.
Lapis Lazuli Ore
Lapis lazuli ore, internally known as lapis ore, is the ore block from which lapis lazuli is obtained. Deepslate lapis lazuli ore, internally known as deepslate lapis ore, is a variant of lapis lazuli ore that generates in deepslate layers.
Large Amethyst Bud
Amethyst buds are the first three stages of growth of amethyst clusters, which grow on budding amethyst. Amethyst clusters are the fourth and final growth stage of amethyst buds, which drop amethyst shards when mined.
Large Fern
A large fern is the 2-block tall variant of the fern.
Lava
Lava is a light-emitting fluid that causes fire damage, mostly found in the lower reaches of the Overworld and the Nether.
Lava Bucket
A lava bucket is a bucket filled with lava.
Lava Cauldron
A cauldron is a block that can contain water, lava or powder snow and, in certain situations, collect them from the environment. In Bedrock Edition, it can also hold dyed water or potions, and can be used to efficiently create tipped arrows. It also serves as a leatherworker's job site block.
Lead
Leads are utility items used to leash and lead certain entities. Leashed entities can be tied to fences or other entities by using the fence or entity while sneaking. A lead can be removed from an entity by shearing it.
Leaf Litter
Leaf litter is a thin decorative block resembling fallen leaves. Up to four can be placed in the same block space.
Leash Knot
Leads are utility items used to leash and lead certain entities. Leashed entities can be tied to fences or other entities by using the fence or entity while sneaking. A lead can be removed from an entity by shearing it.
Leather
Leather is an item used to craft bundles, books, saddles, armor and other items.
Leather Boots
Leather boots are a variant of boots that are crafted from leather. They are the seventh-highest tier of boots, having the same armor points as golden, copper, and chainmail boots but with lower durability. Wearing them allows an entity to walk on and climb through powder snow. Like all leather armor, they can be dyed and protect the wearer from freezing.
Leather Tunic
A leather tunic is a variant of chestplate that is crafted from leather. It is the seventh-highest tier of chestplate, having the lowest armor points and durability. Like all leather armor, it can be dyed and protects the wearer from freezing.
Leather Cap
A leather cap is a variant of helmet that is crafted from leather. It is the eighth-highest tier of helmet, having the lowest armor points and durability. Like all leather armor, it can be dyed and protects the wearer from freezing.
Leather Horse Armor
Leather horse armor is the weakest tier of horse armor. It is the only type that is craftable. Similarly to leather armor, leather horse armor can be dyed and protects the wearer from freezing.
Leather Pants
Leather pants are a variant of leggings that are crafted from leather. They are the seventh-highest tier of leggings, having the lowest armor points and durability. Like all leather armor, they can be dyed and protect the wearer from freezing.
Lectern
A lectern is a block used to display a book and quill or written book for reading. Turning a page triggers a redstone pulse. It also serves as a librarian's job site block.
Lever
The lever is a non-solid block that can be switched to provide redstone power.
Light
Light (or lighting) in Minecraft is a game mechanic that affects visibility, mob spawning, and the growth of some plants. There are three aspects of Minecraft's lighting system: light level, internal light level, and rendered brightness.