Oliver Leland Loring (January 5, 1904 - November 3, 1979) was bishop of the Episcopal Diocese of Maine, serving from 1941 to 1968.

Loring was ordained deacon in May, 1930 by the Bishop Julius W. Atwood and priest in May 1931 by Henry Knox Sherrill of Massachusetts.

Bishop Loring was active in diocesan matters, especially youth and Christian education work.

He carried this interest into his episcopate and was a key factor in the development of the diocesan camps and conferences.

He was a trustee of the General Seminary and served as the Province I representative to the National (Executive) Council.