Ater may refer to:

People and biblical figures Al Ater (1953–2017), an American politician Ater Majok (born 1987), a professional basketball player One or two individuals in the Bible - see List of minor Hebrew Bible figures, A–K

Places Ater tehsil in Bhind District, India Ater Assembly constituency Ater Fort Attert (), a municipality of Wallonia in the province of Luxembourg, Belgium Ater, Texas, an unincorporated community in Coryell County

See also Attaché Temporaire d'Enseignement et de Recherche (ATER), a type of teaching and research fellow in French higher education A. ater After