| Pietro Tarchini | |
| Full Name: | Pietro Tarchini |
| Birth Date: | 29 September 1921 |
| Birth Place: | Balerna, Switzerland |
| Death Place: | Ponte Cremenaga, Switzerland |
| Discipline: | Road |
| Role: | Rider |
| Majorwins: | 1 stage Tour de France |
Pietro Tarchini (29 September 1921, Balerna – 14 July 1999, Ponte Cremenaga) was a Swiss professional road bicycle racer. Tarchini won the 18th stage of the 1947 Tour de France.