Wireweed may refer to several organisms, including:
* ''
Amphibolis
''Amphibolis'' is a genus in the family Cymodoceaceae. It includes two species of sea grass endemic to the western and southern coast of Australia, '' Amphibolis antarctica'' and '' Amphibolis griffithii'', commonly known as sea nymph or wire ...
'', a genus of marine flowering plants in the family Cymodoceaceae
* ''
Polygonella'', a genus of flowering plants in the knotweed and smartweed family, Polygonaceae.
* ''
Rigiopappus leptocladus'', a species of flowering plant in the daisy family, Asteraceae.
* ''
Sargassum muticum'', also known as the Japanese wireweed, is a large brown seaweed of the genus ''Sargassum''.
*
''Sida'' (plant), a genus of flowering herbs and subshrubs in the mallow family, Malvaceae.
{{Plant common name