| Nicola Ciacci | |
| Fullname: | Nicola Ciacci |
| Birth Date: | 7 July 1982 |
| Birth Place: | City of San Marino, San Marino |
| Height: | 1.74 m |
| Currentclub: | S.S. Pennarossa |
| Position: | Forward |
| Years1: | 2001–2022 |
| Clubs1: | S.S. Pennarossa |
| Caps1: | 187 |
| Goals1: | 52 |
| Nationalyears1: | 2003–2011 |
| Nationalteam1: | San Marino |
| Nationalcaps1: | 17 |
| Nationalgoals1: | 1 |
| Club-Update: | 17 June 2023 |
Nicola Ciacci is a Sammarinese footballer who last played as a forward for S.S. Pennarossa in San Marino. He made 17 appearances and scored one goal for the San Marino national team.