| Official Name: | Šiljakovac |
| Settlement Type: | Suburban settlement |
| Pushpin Map: | Serbia |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Serbia |
| Subdivision Type1: | District |
| Subdivision Type2: | Municipality |
| Unit Pref: | Metric |
| Area Footnotes: | [1] |
| Area Total Km2: | 13.82 |
| Population As Of: | 2011 |
| Population Total: | 632 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Coordinates: | 44.5653°N 20.3325°W |
Šiljakovac (Serbian: Шиљаковац) is a suburban settlement of Belgrade, Serbia. It is located in the municipality of Barajevo.
It is located in the western part of the municipality, southwest of the municipal seat of Barajevo and 2 km east of the Ibarska magistrala (Highway of Ibar).
Šiljakovac is a small, depopulating rural settlement, with a population of 620 (Census 2002).
Local football club is FC Šiljakovac.
Šiljakovac's hamlet of Bare is the location of two oaks which were estimated to be 220 years old in 2013, thus being considered as the oldest known trees on the territory of Belgrade.