Sargassum pallidum is a species of seaweed native to East Asia and Southeast Asia.

It belongs to the subgenus Bactrophycus, section Teretia of the genus Sargassum.

[1] Along with Sargassum fusiforme, S. pallidum is often dried and processed into a traditional Chinese medicine known as Hai Zao or Herba Sargassi.

[2]