| Image Coa: | DEU Lochum COA.svg |
| Coordinates: | 50.6106°N 7.8597°W |
| Image Plan: | Lochum im Westerwaldkreis.png |
| State: | Rheinland-Pfalz |
| District: | Westerwaldkreis |
| Verbandsgemeinde: | Hachenburg |
| Elevation: | 467 |
| Area: | 4.65 |
| Postal Code: | 57629 |
| Area Code: | 02666 |
| Licence: | WW |
| Gemeindeschlüssel: | 07 1 43 259 |
| Website: | www.hachenburg-vg.de/08_gemeinden/lochum |
| Mayor: | Frank Petmecky[1] |
| Leader Term: | 2019 - 24 |
Lochum is an Ortsgemeinde – a community belonging to a Verbandsgemeinde – in the Westerwaldkreis in Rhineland-Palatinate, Germany.
The village is located in the northeast of Koblenz on the Westerwald Lake Plateau. The residential community of Lochum belongs to the Verbandsgemeinde of Hachenburg, a kind of collective municipality. Its administrative center is the homonym town.
In 1048, Lochum had its first documentary mention.
The municipal council is made up of 9 council members, including the extraofficial mayor (Bürgermeister), who were elected in a majority vote in a municipal election on 13 June 2004.
The community lies between Bundesstraßen 255, linking Koblenz and Hachenburg, and 414, leading from Montabaur to Herborn. Bundesautobahn 3 with its Montabaur interchange (AS 40) lies 25 km away. The nearest InterCityExpress stop is the railway station at Montabaur on the Cologne-Frankfurt high-speed rail line.