Leighton Coleman (May 3, 1837 - December 14, 1907) was an American clergyman of the Episcopal Church.

He was born in Philadelphia, Pennsylvania, and graduated at the General Theological Seminary (New York City) in 1861. he was ordained deacon on July 1, 1860. From 1860 until 1862, he served as a missionary on Randalls and Wards Islands in New York. He was ordained priest on May 15, 1862.

He served his religion in a variety of positions and at different places. He was rector of churches in Bustleton, Pa., Wilmington, Del., Mauch Chunk, Pa., Toledo, Ohio, and Sayre, Pa. He lived in England from 1879 to 1887.

In 1888 Leighton Coleman was consecrated the 2nd Bishop of Delaware in the Episcopal Church. His consecration was on January 18, 1889 with Daniel Sylvester Tuttle being the chief consecrator.^[1]

Bishop Coleman was Grand Chaplain of the Grand Lodge of Masons of Pennsylvania and prelate of the Knights Templar, Chaplain General of the Society of the War of 1812, Chaplain of the Delaware Society of the Cincinnati, and Vice President of the Delaware Historical Society. He was elected a thirty-third degree Mason by the Consistory in Boston in September 1907.^[2]

• A History of the Lehigh Valley (1872)
• The Church in America (1895)
• A History of the Church in the United States (1901, in the "Oxford Church Text Series")

• Raphael Morgan (Robert Josias Morgan, who was ordained to the Episcopal Deaconate by Bp. Coleman).