Ármin Glatter (born 1861 in Moldava nad Bodvou, † in 1931 in Budapest) was a Hungarian portrait and genre painter.
Glatter first studied law and then drawing from 1882 to 1885 at the school of (Mintarajziskolában) in Budapest with Károly Lotz and from 1886 at the Royal Academy of Arts in Munich with Gabriel von Hackl.
He then made study trips to Germany, Russia and Italy. He also spent a year in Paris.
Around 1897 he taught at Sándor Bihnari and at Imre Knopp's "free school for women painters" in Budapest, and later also at the Jewish art school opened in 1921. He was one of the founders of the association of artists SÉSZEK.
From 1888 he exhibited his works at the Budapest Art Gallery.
His works are in the Hungarian National Gallery.
Ármin Glatter mainly painted portraits of women, sometimes in the form of miniatures.