Jeffery William Rowthorn (also spelled Jeffrey; born 9 April 1934) is a Welsh retired Anglican bishop and hymnographer. His early career was spent in parish ministry in the Diocese of Southwark and the Diocese of Oxford of the Church of England. He then moved to the United States where he worked at two seminaries: Union Theological Seminary in New York City, and Berkeley Divinity School in New Haven, Connecticut. He was elected a bishop in the Episcopal Church, serving as a suffragan bishop of the Episcopal Diocese of Connecticut from 1987 to 1994, and as Bishop in Charge of the Convocation of Episcopal Churches in Europe from 1994 to 2001.