| Cladophora ruchingeri (C. Agardh) Kütz., 1845 |
| Cladophora rudolphiana (C. Agardh) Kütz., 1843 |
| Cladophora rudolphiana f. eramosa N.L. Gardner, 1918 |
| Cladophora rupestris (L.) Kütz., 1843 |
| Cladophora sakaii I.A. Abbott, 1972 |
| Cladophora scitula (Suhr) Kütz., 1849 |
| Cladophora sericea (Huds.) Kütz., 1843 |
| Cladophora sertularina Kütz., 1849 |
| Cladophora socialis Kütz., 1849 |
| Cladophora sterrocladia Skuja, 1949 |
| Cladophora stimpsonii Harv., 1860 |
| Cladophora stricta P. Crouan & H. Crouan, 1865 |
| Cladophora submarina P. Crouan & H. Crouan ex Schramm & Mazé, 1865 |
| Cladophora tiburonensis E.Y. Dawson, 1944 |
| Cladophora trichotoma (C. Agardh) Kütz., 1843 |
| Cladophora uncinella Harv., 1860 |
| Cladophora utriculosa Kütz., 1843 |
| Cladophora vagabunda (L.) C. Hoek, 1963 |
| Cladophora verticillata Kütz., 1849 |
| Cladophoraceae Wille, 1884 |