Magma may refer to:
- Magma Block - a block found in the Nether and in underwater ravines which damages mobs standing on it
- Magma Cream - an item used in brewing and crafting magma blocks
- Magma Cube - a hostile mob found in The Nether
- Lava - Whereas the word "magma" in English means molten rock beneath the earth's crust, the word "lava" means molten rock that has erupted to the earth's surface. Lava commonly exists in a context that would render it magma.