Tamblyn is a surname that originates in Wales. Notable people with the surname include: Amber Tamblyn (born 1983), American actress and poet Christine Tamblyn, American artist Doni Tamblyn, American author and comedian Eddie Tamblyn (1908–1957), American actor Geoff Tamblyn (born 1949), Australian cricketer Gordon Tamblyn, founder of the Tamblyn Drugs chain in Canada Harold Tamblyn-Watts (1900–1999), British artist Ian Tamblyn (born 1947), Canadian folk music singer-songwriter Russ Tamblyn (born 1934), American actor