Stefano Sposetti ( born December 22, 1958 in Milan, Italy ) is a Swiss amateur astronomer and discoverer of asteroids. He lives and works in Gnosca in the Swiss canton of Ticino. He is a discoverer of numerous asteroids, currently (as of August 2013) there are 148
He made at the Observatory of Geneva of shots of Aten Asteroid 2004 FH, as this in March 2004 came closer to Earth than the moon.
The asteroid ( 22354 ) Sposetti was named after him.