约翰斯顿峰是南极洲的山峰，处于马尔山以南13公里和道格拉斯峰西北面20公里，在1930年1月由探险队发现，以随队的生物学家命名。

Johnston Peak (66°16′S 52°6′E / 66.267°S 52.100°E / -66.267; 52.100) is a sharp dark peak in Antarctica, 7 nautical miles (13 km) north of Mount Marr and 11 nautical miles (20 km) northwest of Douglas Peak. It was discovered in January 1930 by the British Australian New Zealand Antarctic Research Expedition under Mawson, who named it for Professor Thomas Harvey Johnston, the chief biologist to the expedition.