The genus name Masakia may refer to:

  • Animalia:
  • Plantae:
    • Masakia (Nakai) Nakai, 1949, synonym of Euonymus L. (Celastrales, Celastraceae)
    • Masakia N.G.Klochkova, 1987, nom. illeg., replaced by Masakiella Guiry & Selivanova, 2007 (Rhodophyta, Corallinaceae)