British botanist, classical scholar and cleric (1754-1823).
Richard Relhan (1754–1823) was a botanist, a fellow of King's College, Cambridge, and author of a renowned book about the plants around Cambridge. Relhan, the son of Dr. Anthony Relhan, was born at Dublin in 1754. He was elected a King's Scholar at Westminster School in 1767, and was admitted a scholar of Trinity College, Cambridge, on 7 May 1773. He graduated B.A. in 1776 and M.A. in 1779, and, having taken holy orders, was chosen in 1781 fellow and conduct (or chaplain) of King's College, Cambridge. In 1783 Professor Thomas Martyn (1735–1825) gave Relhan all the manuscript notes he had made