Seaweed (disambiguation)

Seaweed may refer to:
 * , a pet summoning item obtained from Ivy Chests in Jungle Shrines, and Jungle and Bramble Crates.
 * , a junk item obtained from fishing.
 * , the ambient objects growing underwater on sand at the Underground, or Ocean Caves.

It may also refer to:
 * , the dye material with similar appearance.