The genus name Darwinia may refer to:

  • Animalia:
    • Darwinia Spence Bate, 1857 = junior synonym of Lafystius Kröyer, 1842 (Malacostraca, Lafystiidae)
    • Darwinia Schultze, 1865, junior homonym = replaced by Darwinella Müller, 1865 (Porifera, Darwinellidae)
  • Plantae:
    • Darwinia Rudge (1816) (Myrtales, Myrtaceae)
    • Darwinia Raf. (1817), nom. illeg. = synonym of Sesbania Adans. (Fabales, Fabaceae)
    • Darwinia Dennst. (1818), nom. inval. = synonym of Litsea Lam. (Laurales, Lauraceae)