| Nationality: | Italian |
| Sport: | Athletics |
| Event: | Decathlon |
| Birth Date: | 1 September 1891 |
| Birth Place: | Milan |
| Death Place: | Milan |
| Country: |  Italy |
Carlo Butti (1 September 1891 – 14 March 1971) was an Italian decathlete who competed at the 1920 Summer Olympics,[1]
He specialized in throws, but versatile to the point of participating in the Olympic Games in Antwerp 1920 in the decathlon.[2] He has been nine times Italian champion in four different disciplines of athletics.
From 1929 to 1930 he was secretary of the Italian Athletics Federation (FIDAL) with the president Augusto Turati, a role that he continued to hold for a few months also in 1931, with the president Luigi Ridolfi.