| Mattia Notari | |
| Birth Date: | 1979 5, df=yes |
| Birth Place: | Como, Italy |
| Position: | Centre Back |
| Years1: | 1998–1999 |
| Years2: | 1999–2002 |
| Years3: | 2002–2010 |
| Years4: | 2010–2011 |
| Years5: | 2012–2013 |
| Clubs1: | Atletico Catania |
| Clubs2: | Novara |
| Clubs3: | Mantova |
| Clubs4: | Lierse |
| Clubs5: | Castiglione |
| Caps1: | 18 |
| Caps2: | 57 |
| Caps3: | 256 |
| Caps4: | 3 |
| Caps5: | 32 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 1 |
| Goals4: | 0 |
| Goals5: | 0 |
Mattia Notari (born 20 May 1979) is an Italian former football player who played as a centre back. He played for Lierse SK from Belgium. He signed a contract at Mantova F.C. after leaving Novara Calcio.