Mount Holdgate (59°28′S 27°11′W / 59.467°S 27.183°W / -59.467; -27.183) is a prominent mountain, 960 metres (3,150 ft) high, with steep icefalls and rock buttresses which provides a clear landmark at the southeast end of Cook Island in the South Sandwich Islands. It was named by the UK Antarctic Place-Names Committee for Martin W. Holdgate, organizer and senior scientist of the survey of the South Sandwich Islands from HMS Protector in 1964.

 This article incorporates public domain material from "Mount Holdgate". Geographic Names Information System. United States Geological Survey.