Donald D. Patterson (March 18, 1911 – November 30, 1972) was a businessman and political figure in New Brunswick, Canada.
He represented the City of St. John in the Legislative Assembly of New Brunswick as a Progressive Conservative member from 1952 to 1967.
He was born in Saint John, New Brunswick, the son of Hamilton Patterson.
Patterson served as the Provincial Secretary-Treasurer from 1952 to 1960.
This article about a member of the Legislative Assembly of New Brunswick is a stub.