| Official Name: | Arnovo Selo |
| Pushpin Map: | Slovenia |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Slovenia |
| Subdivision Type: | Country |
| Subdivision Name: | Slovenia |
| Subdivision Type1: | Traditional region |
| Subdivision Name1: | Styria |
| Subdivision Type2: | Statistical region |
| Subdivision Name2: | Lower Sava |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Brežice |
| Area Total Km2: | 2.9 |
| Population As Of: | 2020 |
| Population Total: | 284 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Coordinates: | 45.9638°N 15.5669°W |
| Elevation M: | 217.9 |
| Footnotes: | [1] |
Arnovo Selo (in Slovenian pronounced as /ˈaːɾnɔʋɔ ˈsɛːlɔ/; Slovenian: Arnovo selo, in older sources also Arnova Sela,[2] German: Arnovasela[2]) is a settlement in the Municipality of Brežice in eastern Slovenia. It lies in the hills north of the town of Brežice. The area is part of the traditional region of Styria. It is now included in the Lower Sava Statistical Region.[3]