Clay may refer to:
- Clay: an item received from mining Clay blocks.
- Clay (block): a naturally occurring block.
- 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.
- Colored Terracotta: a block received from dyeing Terracotta.
- Glazed Terracotta A decorative block made by smelting stained terracotta.