Sea plume may refer to:
Antillogorgia, a genus of sea fans, including: Antillogorgia americana, the slimy sea plume Antillogorgia bipinnata, the bipinnate sea plume Asparagopsis taxiformis, the red sea plume, a species of red algae Muriceopsis flavida, the rough sea plume, an octocoral of the genus Muriceopsis