麦克马洪冰川是南极洲的冰川，位于维多利亚地的彭内尔海岸，属于阿纳雷山脉的一部分，长33公里，流经巴斯柯克海崖和格雷戈里海崖，最终注入尼尔森湾，现时由南极条约体系管理。

McMahon Glacier. 美国地质局地理名称信息系统. [2013-09-10]. 

McMahon Glacier (70°45′S 165°45′E / 70.750°S 165.750°E / -70.750; 165.750) is a glacier about 18 nautical miles (33 km) long in the Anare Mountains of Victoria Land, Antarctica. It drains north between the Buskirk Bluffs and Gregory Bluffs into Nielsen Fjord. The glacier was named by the Antarctic Names Committee of Australia for F.P. McMahon, Logistics Officer with the Australian Antarctic Division, who led a number of expeditions to Macquarie Island and was second-in-charge of several expeditions to Antarctica.