| Matteo Fiorini | |
| Office: | Captain Regent of San Marino |
| Term Start: | 1 October 2017 |
| Term End: | 1 April 2018 |
| Alongside: | Enrico Carattoni |
| Predecessor: | Vanessa D'Ambrosio Mimma Zavoli |
| Successor: | Stefano Palmieri Matteo Ciacci |
| Term Start1: | 1 October 2011 |
| Term End1: | 1 April 2012 |
| Alongside1: | Gabriele Gatti |
| Predecessor1: | Maria Luisa Berti Filippo Tamagnini |
| Successor1: | Italo Righi Maurizio Rattini |
| Birth Date: | 10 February 1978 |
| Birth Place: | City of San Marino, San Marino |
| Party: | Popular Alliance |
Matteo Fiorini (born 10 February 1978) is a Sammarinese politician who was a Captain Regent (head of government for San Marino) for the October 2011 to April 2012 political term. The post was shared with Gabriele Gatti.[1] He also served with Enrico Carattoni as Captain Regent from October 2017 until April 2018.