| Official Name: | Dren |
| Native Name: | Дрен |
| Settlement Type: | Village |
| Pushpin Map: | Serbia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | District |
| Subdivision Name1: | Belgrade |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Obrenovac |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 20.09 |
| Population As Of: | 2011 |
| Population Total: | 1113 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 44.5903°N 20.0247°W |
Dren (Serbian: Дрен) is a village located in the municipality of Obrenovac, Belgrade, Serbia. As of 2011 census, it has a population of 1,113 inhabitants.
There are 993 adults living in the Dren settlement, and the average age of the population is 40.2 years (39.2 for men and 41.3 for women). There are 381 households in the settlement, and the average number of members per household is 3.36.
This settlement is mainly inhabited by Serbs (according to the 2002 census), and in the last three censuses, a decrease in the number of inhabitants was observed.