| Image Coa: | DEU Lonnig COA.svg |
| Coordinates: | 50.3117°N 7.4083°W |
| Image Plan: | Lonnig in MYK.png |
| State: | Rheinland-Pfalz |
| District: | Mayen-Koblenz |
| Verbandsgemeinde: | Maifeld |
| Elevation: | 260 |
| Area: | 5.50 |
| Postal Code: | 56295 |
| Area Code: | 02625 |
| Licence: | MYK |
| Gemeindeschlüssel: | 07 1 37 065 |
| Website: | www.lonnig.de |
| Mayor: | Stefan Dörr[1] |
| Leader Term: | 2019 - 24 |
Lonnig is a municipality in the district of Mayen-Koblenz in Rhineland-Palatinate, western Germany.