Mariano Scartezzini (born 7 November 1954) is a retired long-distance runner from Italy, who mainly competed in the men's 3,000 metres Steeplechase event.

He won seven medals, at senior level, at the International athletics competitions.

[1] He finished in ninth place in this event at the inaugural 1983 World Championships in Helsinki, Finland.

He is three-time national champion (1979, 1981 and 1983) in the event.

[2] Mariano Scartezzini has won 5 times the individual national championship.