| Official Name: | Mässa |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Saare County |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Saaremaa Parish |
| Population As Of: | 2011 |
| Population Total: | 11 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Mässa is a village in Saaremaa Parish, Saare County in western Estonia. As of 2011, the population was 11.[1]