Arnaldo Pomodoro is an Italian sculptor. He was born on 23 June 1926, in Morciano, Romagna, Italy. He currently lives and works in Milan. His brother, Giò Pomodoro (1930–2002) was also a sculptor.

Pomodoro designed a controversial fiberglass crucifix for the Cathedral of St. John the Evangelist in Milwaukee, Wisconsin. The piece is topped with a fourteen foot in diameter crown of thorns which hovers over the figure of Christ.

Some of Pomodoro's "Sphere Within Sphere" (Sfera con Sfera) can be seen in the Vatican Museums, Trinity College, Dublin, the United Nations Headquarters in New York, the Hirshhorn Museum and Sculpture Garden in Washington, D.C., Christian Theological Seminary in Indianapolis, the de Young Museum in San Francisco, Tehran Museum of Contemporary Art, American Republic Insurance Company in Des Moines, Iowa, the Columbus Museum of Art in Columbus, Ohio, and the University of California, Berkeley.