| Image Coa: | DEU Unterneukirchen COA.svg |
| Coordinates: | 48.1651°N 12.6187°W |
| Image Plan: | Unterneukirchen in AÖ.svg |
| State: | Bayern |
| Region: | Oberbayern |
| District: | Altötting |
| Verwaltungsgemeinschaft: | Unterneukirchen |
| Elevation: | 460 |
| Area: | 23.26 |
| Postal Code: | 84579 |
| Area Code: | 08634 |
| Licence: | AÖ |
| Gemeindeschlüssel: | 09 1 71 135 |
| Website: | www.unterneukirchen.de |
| Mayor: | Jochen Englmeier[1] |
| Leader Term: | 2020 - 26 |
Unterneukirchen is a municipality in the district of Altötting in Bavaria in Germany.