Renato Dionisi (born 21 November 1947) is an Italian former pole vaulter.

[1] He set a career best of 5.45 m (17 ft 10+1⁄2 in) in Rovereto on 25 June 1972.

[2] He represented his country twice at the Olympic Games (1964, 1972) and was a three-time participant at the European Athletics Championships (1966, 1969, 1971) and was a bronze medallist there on his last appearance.

He won minor medals at the Mediterranean Games on two occasions and was the 1975 Summer Universiade bronze medallist.

Dionisi has 47 caps for the Italy national athletics team (from 1964 to 1978).