| Official Name: | Leisi |
| Settlement Type: | Small borough |
| Pushpin Map: | Estonia |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Saare County |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Saaremaa Parish |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 58.5714°N 22.6839°W |
Leisi is a small borough in Saaremaa Parish, Saare County in western Estonia.
Before the administrative reform in 2017, the borough was administrative centre of Leisi Parish.