Tillandsia setacea, the southern needleleaf, is a species in the genus Tillandsia. It has a scattered, disjunct distribution in the southwestern United States (Florida, Georgia), northwestern and southern Mexico (Jalisco, Sinaloa, Nayarit, Chiapas, Oaxaca, Campeche), Guatemala, the West Indies (Cayman Islands, Cuba, Hispaniola, Jamaica, Puerto Rico) and the State of Pará in northeastern Brazil.