| Lorenzo Celsi | |
| Office: | Doge of Venice |
| Term Start: | 1361 |
| Term End: | 1365 |
| Birth Date: | c. 1310 |
| Death Date: | 18 July 1365 |
Lorenzo Celsi (born Venice, c. 1310 – died there 18 July 1365) was a Venetian statesman who served as the 58th Doge of Venice, from 16 July 1361 until his death.
He was the son of a rich Celsi family, and was previously noted for leading a flotilla against Genoa to help preserve Venetian interests. He was married to Marchesina Ghisi.[1] During his reign, Celsi confronted the revolt of St. Titoin Crete, a rebellion that overthrew the official Venetian authorities and attempted to create an independent state.Celsi was succeeded as Doge by Marco Cornaro.