There's more than one place called Neunkirchen:
- Neunkirchen, the main city of the district Neunkirchen in Lower Austria
- Neunkirchen (bei Mosbach, Baden), in the Neckar-Odenwald district of Baden-Wuerttemberg
- Neunkirchen am Brand, in the Forchheim district of Bavaria
- Neunkirchen am Sand, in the Nürnberger Land district of Bavaria
- Neunkirchen (Unterfranken), in the Miltenberg district of Bavaria
- Neunkirchen (Siegerland), a locality in the Siegen-Wittgenstein district, North Rhine-Westphalia
- Neunkirchen-Seelscheid, in the Rhein-Sieg district, North Rhine-Westphalia
- Neunkirchen (Hunsrück), part of the Verbandsgemeinde Thalfang am Erbeskopf in the Bernkastel-Wittlich district, Rhineland-Palatinate
- Neunkirchen am Potzberg, part of the Verbandsgemeinde Altenglan in the district of Kusel, Rhineland-Palatinate
- Neunkirchen (Westerwald), part of the Verbandsgemeinde Rennerod in the Westerwaldkreis, Rhineland-Palatinate
- Neunkirchen (Saarland) - a town, a municipality, and a district in Saarland