Robert Pincus-Witten (born 1935 in New York City) is an American art critic, curator and art historian.
Pincus-Witten earned his undergraduate degree at The Cooper Union, in New York City in 1956. He wrote his master's degree (1962) and Ph.D. (1968) both at the University of Chicago. His dissertation, on Joséphin Péladan and the Salon de la Rose + Croix was written under Joshua Taylor and John Rewald.
Pincus-Witten joined the City University of New York in 1964. In 1970 he was promoted to professor at CUNY. Pincus-Witten retired from CUNY in 1990.
In 1966 he began writing criticism for Artforum magazine as its senior editor. He became associate editor of Artforum in 1976.
An initial book on minimalism and the era following it was issued in 1977. His collected art criticism was published as Eye to Eye: Twenty Years of Art Criticism, in 1984. His treatise on post-modern art, Postminimalism into Maximalism: American Art 1966-1986, appeared in 1987. Postminimalism is an art term coined (as "post-minimalism") by Pincus-Witten in 1971 used in various artistic fields for work which is influenced by, or attempts to develop and go beyond, the aesthetic of minimalism.
Pincus-Witten curated art shows for the Gagosian Gallery (East) in New York City, until 1996. That same year he joined the staff of C&M Arts (Mnuchin Fine Arts), New York City as Director of Exhibitions and retired after eleven years.
On July 3, 2013, Robert Pincus-Witten and Leon Hecht were married in NYC.