| Arnajevo | |
| Native Name: | Арнајево |
| Native Name Lang: | Cyrl |
| Settlement Type: | Suburban Settlement |
| Pushpin Map: | Serbia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of Arnajevo in Serbia |
| Subdivision Type: | Country |
| Subdivision Type1: | City |
| Subdivision Type2: | Municipality |
| Subdivision Name1: | Belgrade |
| Subdivision Name2: | Barajevo |
| Population Total: | 753 |
| Population As Of: | 2011 |
| Timezone1: | CET |
| Area Footnotes: | [1] |
| Area Total Km2: | 9.71 |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Area Code: | 011 |
| Registration Plate: | BG |
| Blank Name Sec1: | RZS code |
| Blank Info Sec1: | 703486[2] |
Arnajevo (Serbian: Арнајево) is a suburban settlement of Belgrade, the capital of Serbia. It is located in the municipality of Barajevo. Its population in 2011 was 753.[3]
Arnajevo is located in the northwestern tip of the municipality, east of the village of Stepojevac. In 1956–57, Arnajevo was part of the municipality of Beljina, which in 1957 merged into the municipality of Barajevo.
It is a small, depopulating rural settlement. In 2011, the village contained 239 households with an average of 3.15 members. There were 212 families, with 82% of the population being adults and an average age of 44.4. It had a population of 853 according to Census 2002. In 1991, the settlement had 1,005 inhabitants.[4]