Arthur Desrosiers (March 10, 1884 – July 7, 1951) was a medical doctor and mayor of Eastview, Ontario, later known as Vanier.
He also represented Russell in the Legislative Assembly of Ontario as a Liberal from 1934 to 1937.
He attended Collège Bourget in Rigaud, Quebec and then studied medicine at the Université Laval.
During his time as mayor, he favoured annexation of Eastview by the nearby city of Ottawa.
This article about an Ontario Liberal Party MPP is a stub.