The genus name Deucalion may refer to:
- Deucalion Huisman & Kraft (1982) (Wrangeliaceae, Ceramiales, Rhodophyta, Plantae)
- Deucalion Wollaston, 1854 (Cerambycidae, Coleoptera, Insecta, Animalia)
- †Deucalion Shtsheglov 1827 (fossil, Illaenidae, Trilobita, Animalia)