Eszter Mattioni (1902 in Szekszárd – 1993 in Budapest) was a prominent twentieth century Hungarian painter.
For five years she attended the Applied Arts Vocational School, then continued her studies for six years at the High School of Fine Arts as a student of Gyula Rudnay.
From 1926 her works began to regularly feature at various exhibitions: a number of her works are prized acquisitions of fine arts museums both in Hungary and across Europe.
Between 1931 and 1942 she worked together with the Szolnok City group of artists the Zugliget which included Vilmos Aba-Novák, Károly Patkó, Emil Kelemen, Jeno Barcsay and Erno Bánk.
She made study trips to Italy in 1935 where she met her future husband and to the Scandinavian countries in 1939 increasing her recognition and acclaim across Europe.