John Bowen Coburn (September 27, 1914 – August 8, 2009) was bishop of the Episcopal Diocese of Massachusetts from 1976 to 1986.

Coburn was ordained deacon on January 3, 1943, by Bishop Benjamin M. Washburn of Newark in Trinity Cathedral.

He was appointed as assistant at Grace Church in New York City and was ordained priest in July of that year.

In 1980 he was elected as the fifth dean of Cathedral Church of St. Paul (Boston) and served in this role concurrent with being bishop of the diocese.

As Bishop of Massachusetts he ordained his son Michael and his daughter-in-law Ann Struthers to the priesthood in 1977.