| Official Name: | Donji Proložac |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 43.4667°N 26°W |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Name1: | Split-Dalmatia |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Proložac |
| Area Footnotes: | [1] |
| Area Total Km2: | 7.2 |
| Population As Of: | 2021 |
| Population Total: | 1288 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
Donji Proložac is a village in the municipality of Proložac, in inland Dalmatia, Croatia. The population is 1,511 (census 2011).