A. Contini & Son (also known as A. J. Contini & Son) was a fine art plaster mold casting firm founded by Italian American Attilio Contini and his son Cesare. Based in New York, New York, United States, A. Contini & Son made plaster molds for sculptors around the world including James Earle Fraser, Ivan Meštrović, Herbert Haseltine, A. Stirling Calder, Adolph Weinman, among others. It was the first casting facility of its kind in the United States.