Ampittia nanus is a species of butterfly in the family Hesperiidae.

It was described by John Henry Leech in 1890.

One of the two marginal rows of spots of the forewing in cellules 5, 6 and 7, or 6, 7 and 8, the other in cellule 2 and 3: no light spot in cellule 4.

A spot in the cell near the upper angle ash colour.

This Hesperiinae-related article is a stub.