Cantharus
The genus name Cantharus may refer to:
- Animalia:
- Cantharus Röding, 1798 (Mollusca, Pisaniidae)
- Cantharus Cuvier, 1816, junior homonym = synonym of Spondyliosoma Cantor, 1849 (Actinopterygii, Sparidae)
- Chromista:
- †Cantharus Montfort, 1808 (uncertain) (Foraminifera)