Archibald Lang McLean (1885–13 May 1922)[1] was an Australian bacteriologist known for his role as chief doctor on the Sir Douglas Mawson's Australasian Antarctic Expedition.
[3][4] He was selected to join the Australasian Antarctic Expedition in 1911 as chief medical officer.
[6] He took part in the Easter Sledging Journey with Cecil Madigan and Percy Correll, and after their return to main base remained there awaiting the return of Mawson, Xavier Mertz and Lieutenant Belgrave Ninnis.
[3] After the outbreak of World War I, he joined the Royal Army Medical Corps and served until 1916 when he was discharged for health reasons and returned to Australia.
[3] He returned to Australia, where he was appointed Medical Officer at the Red Cross War Chest Farm Colony in Beelbangara, New South Wales, however his condition worsened and he died in 1922.