Omalisidae is a family of beetles, in the large suborder Polyphaga.
It contains twelve species in two genera:
- Genus Omalisus Geoffrey, 1762
- Omalisus flavangulus (Spåth, 1898)
- Omalisus fontisbellaquaei Geoffroy in Fourcroy, 1785
- Omalisus graecus (Pic, 1901)
- Omalisus minutus (Pic, 1938)
- Omalisus nicaeensis (Lesne, 1921)
- Omalisus nigricornis (Reitter, 1881)
- Omalisus sanguinipennis (Laporte de Castelnau, 1840)
- Omalisus taurinensis (Baudi, 1871)
- Omalisus unicolor (Costa, 1857)
- Omalisus victoris (Mulsant, 1852)