John Buck (born 1946) is an American sculptor and printmaker who was born in Ames, Iowa. He received a Bachelor of Fine Arts degree from Kansas City Art Institute in 1968, and in 1971, he studied at Skowhegan School of Painting and Sculpture in Skowhegan, Maine. In 1972, he received a Master of Fine Arts degree from the University of California, Davis, where he met his wife, artist Deborah Butterfield. Buck and Butterfield divide their time between a ranch in Bozeman, Montana and studios on the island of Hawaii.
Buck is best known for his woodblock prints and bronze sculptures that are typically cast from molds taken from wooden maquettes. The Contemporary Museum, Honolulu, the DeCordova Museum (Lincoln, Massachusetts), the Fine Arts Museums of San Francisco, the Hawaii State Art Museum, the Smithsonian American Art Museum (Washington D.C.) and the Yellowstone Art Museum (Montana) are among the public collections holding works by John Buck.