| Official Name: | Hosby |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Läänemaa (West-County) |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Lääne-Nigula Parish |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Hosby is a village in Lääne-Nigula Parish, Lääne County, in western Estonia.[1] Before the administrative reform in 2017, the village was in Noarootsi Parish.