| Image Coa: | DEU Thalmassing COA.svg |
| Coordinates: | 48.9147°N 12.1531°W |
| Image Plan: | Thalmassing in R.svg |
| State: | Bayern |
| Region: | Oberpfalz |
| District: | Regensburg |
| Elevation: | 360 |
| Area: | 37.11 |
| Postal Code: | 93107 |
| Area Code: | 09453 |
| Licence: | R |
| Gemeindeschlüssel: | 09 3 75 205 |
| Divisions: | 7 Ortsteile |
| Website: | www.thalmassing.de |
| Mayor: | Raffael Parzefall[1] |
| Leader Term: | 2020 - 26 |
Thalmassing is a municipality in the district of Regensburg in Bavaria in Germany.