- For the Italian radical of the same name, see Gregorio Fontana (radical).
Gregorio Fontana (December 7 1735 Villa di Nogaredo - August 24 1803 Milan) was an Italian mathematician. He was chair of mathematics at the university of Pavia succeeding Roger Joseph Boscovich. He has been credited with the introduction of polar coordinates. His brother was the physicist Felice Fontana (1730-1805).
