Adelbert Cavour Chapman (October 25, 1860 – September 1, 1943) was a former mayor of Moncton, New Brunswick, in 1896, 1920 and 1921. He was born and raised in Dorchester, and studied at Mount Allison University. Prior to being elected Mayor, Chapman served the city as an Alderman on Moncton City Council. He married P. Althea Cleveland on Oct. 24, 1883; and produced two sons and two daughters. He was the son of Robert A.