| Official Name: | Gowmazi Osman |
| Native Name: | گومازي عثمان |
| Settlement Type: | village |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sistan and Baluchestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Chabahar |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Kambel-e Soleyman |
| Population As Of: | 2006 |
| Population Total: | 21 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
Gowmazi Osman (Persian: گومازي عثمان, also romanized as Gowmāzī ʿOs̄mān) is a village in Kambel-e Soleyman Rural District, in the Central District of Chabahar County, Sistan and Baluchestan Province, Iran. At the 2006 census, its population was 21, in 5 families. The name "Gowmazi Osman" means "cow-herder Osman" in the local Balochi language.