Jan Cox (The Hague, August 27, 1919 - Antwerp, 7 October 1980) was a painter who spent the largest part of his creative life in the United States and Belgium. In 1945 he was a founding member of the Jeune Peinture Belge group. By the end of that decade he was briefly associated the CoBrA movement, publishing some of his art in the CoBrA magazine.
In 1950 he moved to New York. After a brief stay in Rome, he returned to the United States in 1956, becoming head of the Painting Department at the School of the Museum of Fine Arts.
In 1974 he returned to Belgium, to live in Antwerp, and devote himself exclusively to painting.
Jan Cox was psychically hyper-sensitive and suffered from recurrent depression throughout his life, eventually leading to his suicide in 1980. He is buried in the Schoonselhof Cemetery in Antwerp.