Jarrín is a surname. Notable people with the surname include:
Alberto Jarrín (1900–1981), Ecuadorian long-distance runner Jaime Jarrín (born 1933), Ecuadorian-born American sportscaster Jhon Jarrín (1961–2021), Ecuadorian track cyclist Jorge Jarrín, Ecuadorian sports broadcaster Luis Edgardo Mercado Jarrín (1919–2012), Peruvian politician