| Official Name: | Donji Brgat |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | left |
| Coordinates: | 42.6466°N 18.1613°W |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Dubrovnik-Neretva County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Župa dubrovačka |
| Unit Pref: | metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.8 |
| Population As Of: | 2021 |
| Population Total: | 133 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Donji Brgat is a village located in Croatia, on the border with Bosnia and Herzegovina.
According to the 2021 census, its population was 133.