Alan Maxwell Boisragon (22 January 1860 – 18 March 1922) was a British Army officer, and author, and was Captain Superintendent of the Shanghai Municipal Police from 1901 to 1906.

Born in Bengal, India, on 22 January 1860, the son of an army officer of Huguenot ancestry, Major-General Theodore Boisragon, CB, A. M. His father divorced his wife, Margaret Emma Boisragon (born Gerrard), in 1864 after she ran off with Charles William Moore, a judge in Bengal.

[2] In 1894 he was appointed Commandant of the newly established Niger Coast Protectorate Force, in which position he came to know Roger Casement.

[5] In early 1901 Boisragon was seconded from the army, and appointed Captain Superintendent of the Shanghai Municipal Police, arriving in March 1901 to take over command.

[8] He married Ethel Rosling on 9 January 1893 at South Nutfield, Christ Church, Surrey, England.