The Fucaceae are a family of brown algae, containing six genera:
- Ascophyllum Stackhouse β one species
- Fucus L. β 15 species
- Hesperophycus Setchell & Gardner β one species
- Pelvetia Decne. & Thur. β one species
- Pelvetiopsis N.L.Gardner β two species
- Silvetia E.SerrΓ£o, T.O.Cho, S.M.Boo & S.H.Brawley β three species