The generic name Hirayamaia may refer to:

  • Hirayamaia Marumo, 1917 (=Orybina Snellen, 1895, Lepidoptera: Pyralidae)
  • Hirayamaia Matsushita, 1937 (=Falsoterinaea Matsushita, 1938, Coleoptera: Cerambycidae)
  • Hirayamaia (Corophiidae) Bousfield & Hoover, 1997 (Amphipoda)