The Ancash tapaculo (Scytalopus affinis) is a species of bird in the family Rhinocryptidae.

The underparts are pale gray, and the flanks and vent are buffy with distinct bars.

The underparts are gray, and the flanks and vent are olive brown with dusky bars.

[5] It inhabits tussocky high elevation grassland and rocky areas with grass.

[5] Little is known about the Ancash tapaculo's diet and foraging phenology, though the species is assumed to be insectivorous.