Ezio Martinelli (November 27, 1913–1980) was an American artist who belonged to the New York School Abstract Expressionist artists, a leading art movement of the post-World War II era.

[1] Martinelli was born on November 27, 1913, in West Hoboken, New Jersey.

He returned to the US and 1932-1936 studied at the National Academy of Design, NYC with Leon Kroll & Gifford Beal, drawing with Ivan Olinsky, and sculpture with long-time sculpture teacher, Robert Aiken.

Martinelli's taught at several universities from 1946 through 1975 including the Pennsylvania Museum and School of Industrial Art, Parsons School of Design, and Sarah Lawrence College.

He was associated with the New York studio Atelier 17 from the late 1940s through the early 1950s.