Clay may refer to:
- Clay, a naturally occurring block
- Clay Ball, an item received from mining clay blocks
- Brick, an item created by smelting clay balls
- Bricks, a block of bricks, useful as a strong building material
- Terracotta, a block received from smelting clay blocks and found in Badlands
- Glazed Terracotta, a decorative block made by smelting stained terracotta