Massu, Lääneranna Parish should not be confused with Massu, Põhja-Pärnumaa Parish.
| Official Name: | Massu |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Pärnu County |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Lääneranna Parish |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Massu (German: Massau) is a village in Lääneranna Parish, Pärnu County, in western Estonia.[1]