Anton Lehmden (born January 2, 1929 in Nitra, Slovakia) is an Austrian painter, draughtsman, and printmaker.
Lehmden was a co-founder, together with Ernst Fuchs, Rudolf Hausner, Arik Brauer, Fritz Janschka and Wolfgang Hutter, of the Vienna School of Fantastic Realism. He settled in Vienna after 1945 and studied at the Academy of Fine Arts Vienna.
In 1948 he was represented in exhibitions of the Vienna Art-Club and has also been represented in many international exhibitions. He taught in Istanbul from 1962/63 and from 1971-97 was Professor at the Academy of Fine Arts in Vienna. In 1966 he acquired the Renaissance castle Schloss Deutschkreutz (Burgenland), which he has since been restoring.