Armfield is an English surname. Notable people with the surname include:
Billy Armfield (1904–1985), British athlete Constance Armfield (née Smedley; 1876–1941), British artist and playwright Dennis Armfield (born 1986), Australian footballer Diana Armfield (born 1920), British artist Jasmine Armfield (born 1998), English actress Jimmy Armfield (1935–2018), English football player and manager John Armfield (1797–1871), American slave trader Lillian May Armfield (1884–1971), Australian police detective Maxwell Armfield (1881–1972), English artist, writer, and illustrator Neil Armfield (born c. 1958), Australian director of theatre, film and opera Robert Franklin Armfield (1829–1898), American politician from North Carolina Thomas Armfield (1851–1931), Australian politician William Johnston Armfield (1934–2016), American businessman and philanthropist