Hesperia sassacus, the Indian skipper, is a butterfly of the family Hesperiidae.

The following subspecies are recognised: - Hesperia sassacus sassacus Harris, 1862 - Hesperia sassacus manitoboides (Fletcher, 1889) - Hesperia sassacus nantahala Gatrelle & Grkovich, 2003

The wingspan is 25–30 mm. The flight period is late May to early July.

It is found from northeastern U.S., and in Canada in southwestern New Brunswick and in a broad band from the Eastern Townships of Quebec through to southern Manitoba.

The larvae feed on nodding fescue (Festuca obtusa), poverty grass (Danthonia spicata), and panic grass (Panicum), Bouteloua, Andropogon, Aristida, and Poaceae species.