| Donji Svilaj | |
| Native Name: | Доњи Свилај |
| Settlement Type: | Village |
| Pushpin Map: | Bosnia and Herzegovina |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Type1: | Entity |
| Subdivision Name1: | Federation of Bosnia and Herzegovina |
| Subdivision Type2: | Canton |
| Subdivision Name2: | Posavina |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Odžak |
| Unit Pref: | Imperial |
| Area Total Km2: | 17.95 |
| Population As Of: | 2013 |
| Population Total: | 1107 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 45.108°N 18.272°W |
| Postal Code Type: | Postal code |
| Postal Code: | 76297[1] |
| Area Code: | +387 31 |
| Website: | www.svilaj.jimbo.com |
Donji Svilaj (Serbian: Доњи Свилај) is a village in the Odžak municipality, Posavina Canton, Bosnia and Herzegovina.
According to the 1991 census, the settlement had 1576 inhabitants.[2]
According to the 2013 census, its population was 1,107.[3]
| Year of census | 1991. | 1981. | 1971. | - | Croats | 1.408 (89,34%) | 1.389 (86,27%) | 1.453 (90,02%) |
|---|---|---|---|---|---|---|---|---|
| Serbs | 143 (9,07%) | 153 (9,50%) | 156 (9,66%) | |||||
| Muslims | 2 (0,12%) | 2 (0,12%) | 0 | |||||
| Yugoslavs | 13 (0,82%) | 8 (0,49%) | 0 | |||||
| Others or unknown | 10 (0,63%) | 58 (3,60%) | 5 (0,30%) | |||||
| Total | 1.576 | 1.610 | 1.614 |
Donji Svilaj is the home of HNK Mladost.