Islas is a surname. Notable people with the surname include:
Arturo Islas (1938–1991), professor of English and a novelist from TexasDaniel Islas (born 1979), Argentine football goalkeeperLuis Islas (born 1965), former football goalkeeperMauricio Islas (born 1973), Mexican actor best known for his work in telenovelasSabino Islas (born 1917), Mexican boxer who competed in the 1936 Summer OlympicsTherese Islas Helgesson (born 1983), Swedish handball player