The term Mushroom is used to refer to several different concepts in the Kingdom Hearts series:
- The key item for the raft from Kingdom Hearts.
- The White Mushroom Heartless introduced in Kingdom Hearts.
- The Gummi Ship Blueprint from Kingdom Hearts II.
- The Mushroom XIII Heartless from Kingdom Hearts II Final Mix.
- The Plain Mushroom staff from Kingdom Hearts II Final Mix.
- The Precious Mushroom staff from Kingdom Hearts II Final Mix.
- The Premium Mushroom staff from Kingdom Hearts II Final Mix.
- The Joyous Mushroom shield from Kingdom Hearts II Final Mix.
- The Majestic Mushroom shield from Kingdom Hearts II Final Mix.
- The Ultimate Mushroom shield from Kingdom Hearts II Final Mix.
- The Forest Mushrooms material from Kingdom Hearts χ.
- The Mushroom Terrine dish from Kingdom Hearts III.
- The ingredient type from Kingdom Hearts III.
- The Portobello ingredient, called Mushroom in Japanese, from Kingdom Hearts III.
- The King Oyster Mushroom ingredient from Kingdom Hearts III.
- The Miller Mushroom ingredient from Kingdom Hearts III.