Richard Coad (13 February 1825 – 1 November 1900) was a 19th-century Cornish architect.
Born in Liskeard, Cornwall, he was articled to Henry Rice of Liskeard and subsequently worked as assistant to Sir George Gilbert Scott from 1847 to 1864. and worked under Scott's supervision on improvements to Lanhydrock House near Bodmin in 1857.
He returned to Liskeard in 1864 to open his own independent practice, and opened a London office in 1868.
From 1884 to 1887, Coad worked in association with James Marjoribanks MacLaren, who had been his assistant for some years.