布坎南山是南极洲的山峰，位于埃尔斯沃思地，处于尤尼昂冰川以北，属于赫里蒂奇岭的一部分，以生物学家命名，现时由南极条约体系管理。

The Buchanan Hills (79°39′S 82°55′W / 79.650°S 82.917°W / -79.650; -82.917) are a cluster of rugged hills standing north of Union Glacier and between the Collier Hills and the Nimbus Hills, in the Heritage Range. They were named by the Advisory Committee on Antarctic Names for Roger Buchanan, United States Antarctic Research Program biologist in Antarctica in the 1964–65 season.