Eurois is a genus of moths of the family Noctuidae first described by Jacob Hübner in 1821.

Palpi upturned, reaching vertex of head, and smoothly scaled.

Thorax with a small furrowed tuft beyond collar and a pair of tufts on metathorax.

Abdomen tuftless, where the dorsal part of proximal segments clothed with coarse hair.

Eurois docilis (Grote, 1881) is considered a synonym of Richia praefixa.