Ruins may refer to:
- Abandoned Village, a ruined village occupied by zombie villagers
- Ancient City, a large underground structure found in deep dark biomes
- Bastion Remnant, a ruined structure in the Nether inhabited by piglins
- Mineshaft, an underground structure made of planks
- Ocean Ruins, an underwater structure made of stone bricks or sandstone
- Ruined Portal, a damaged nether portal structure
- Shipwreck, a ruined ship that can be found underwater
- Stronghold, an underground structure that contains an end portal
- Trail Ruins, "a buried structure from a lost culture"[1] that can be found on land and underwater