| Fiumedinisi | |
| Official Name: | Comune di Fiumedinisi |
| Coordinates: | 38.0167°N 38°W |
| Region: | Sicily |
| Metropolitan City: | Messina (ME) |
| Mayor: | Giovanni Sebastiano De Luca |
| Area Total Km2: | 36.0 |
| Population Footnotes: | [1] |
| Population Total: | 1533 |
| Population As Of: | 31 December 2011 |
| Population Demonym: | Fiumedinisani |
| Elevation M: | 200 |
| Saint: | Annunciation of Mary |
| Day: | March 25 |
| Postal Code: | 98022 |
| Area Code: | 0942 |
| Website: | www.comune.fiumedinisi.me.it |
Fiumedinisi (Sicilian: Ciumidinisi) is a comune (municipality) in the Metropolitan City of Messina in the Italian region Sicily, located about 180km (110miles) east of Palermo and about 25km (16miles) southwest of Messina.
Fiumedinisi borders the following municipalities: Alì, Alì Terme, Itala, Mandanici, Messina, Monforte San Giorgio, Nizza di Sicilia, Roccalumera, San Pier Niceto, Santa Lucia del Mela.
Fiumedinisi is known for the celebration of The Annunciation of Mary, called the Festa Della Vara(Feast of the Float).