Relph is an English surname. It is a variant of the surname Relf, which stems from the old French given name Riulf. The name was derived from Germanic words ric (power) and wulf (wolf). Notable people with the surname include:Edward Relph, Canadian geographer Emma Relph, British actress George Relph (1888–1960), English actor Little Tich, English music hall comedian Jerry Relph (1944–2020), American politician Joseph Relph (1712–1743), English poet Michael Relph (1915–2004), English film producer and director Nick Relph, British artist-filmmaker Pam Relph, British Paralympic rower Simon Relph (1940–2016), British film producer and director Tyler Relph, American basketball trainer and former player William Relph (1900–1978), English football forward