Mount Sinha () is a mountain (990 m) at the southeast extremity of Erickson Bluffs in the south part of McDonald Heights. It overlooks lower Kirkpatrick Glacier from the north in Marie Byrd Land. Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1959-65. Named by Advisory Committee on Antarctic Names (US-ACAN) for Akhouri Sinha, member of the biological party that made population studies of seals, whales and birds in the pack ice of the Bellingshausen and Amundsen Seas using USCGC Southwind and its two helicopters, 1971-72.