Acantharia
The genus name Acantharia may refer to:
- Chromista:
- Acantharia Haeckel, 1881 = Acantharea (Radiozoa)
- ?Acantharia Quenstedt, 1881 (Radiozoa, Actinastridae)
- Plantae:
- Acantharia Rojas Acosta (1897), unplaced name (Fabales, Fabaceae)
- Fungi:
- Acantharia Theissen & Sydow (1918), nom. illeg. (Ascomycota, Venturiaceae)