The Scotch argus (Erebia aethiops) is a butterfly of the family Nymphalidae. In spite of its English name argus, it is not a close relation of the brown argus nor the northern brown argus.

Taxonomy

Subspecies include:
* Erebia aethiops ssp. aethifps (Esper, 1777) (Europe)
* Erebia aethiops ssp. caledonia (Verity, 1911