John Boyd Bentley (February 9, 1896 – June 12, 1989) was the second bishop of the Episcopal Diocese of Alaska.

Bentley was ordained deacon in 1922 by Peter Trimble Rowe, the Bishop of Alaska.

[2] He was consecrated by Presiding Bishop James De Wolf Perry on September 29, 1931, in the Cathedral of St. John in the Wilderness in Denver, Colorado.

Upon Bishop Rowe's death in June 1942, Bentley was appointed as Bishop-in-charge until a successor could be elected.

He remained Bishop of Alaska until 1948 when he was appointed vice president of the Episcopal Church Executive Council and director of the overseas department, a post he held until 1964.