Marcus Chappell Atkinson (February 7, 1854 – July 28, 1895) was a physician and political figure in New Brunswick, Canada.
He represented Carleton County in the Legislative Assembly of New Brunswick from 1886 to 1892 and from January to October 1895 as a Liberal-Conservative.
He was born in Baie Verte, New Brunswick and educated in Halifax, Nova Scotia.
He died at the age of 41 and is interred in Bristol, New Brunswick.
This article about a member of the Legislative Assembly of New Brunswick is a stub.