Yanacushman (possibly from Quechua yana black, kusma (or kushma in the local variant) nightdress, shirt of a woman,[2][3] "black nightdress" or "black shirt", -n a suffix) is a mountain in the Huayhuash mountain range in the Andes of Peru, about 4,800 m (15,748 ft) high.

It is located in the Lima Region, Cajatambo Province, Cajatambo District.

Yanacushman lies on the southern sub-range west of the main range, northwest of Julcán and Huacshash.

It is situated between the Huayllapa valley and the Pumarinri valley.

This Lima Region geography article is a stub.