Joost Baljeu (1 November 1925 – 1 July 1991)[1] was a Dutch painter, sculptor and writer.

He is known for his large outdoor painted steel structures and his book on Theo van Doesburg.

During World War II (1939–45) he began painting in an expressionist, realistic and semi-abstract idiom.

[2] The Canadian artist Eli Bornstein began to make three-dimensional "structurist" reliefs during a sabbatical in Italy and the Netherlands in 1957.

[3] He met and was influenced by artists such as Jean Gorin, Anthony Hill, Kenneth Martin, Mary Martin, Victor Pasmore and Georges Vantongerloo.