| Caan | Rheinland-Pfalz | ||
| Caaschwitz | Thuringia | ||
| Cadenberge | Lower Saxony | ||
| Cadolzburg | Bavaria | ||
| Calau | Brandenburg | ||
| Calbe (Saale) | Saxony-Anhalt | ||
| Calberlah | Lower Saxony | ||
| Calden-Westuffeln | Hesse | ||
| Calden, Hessen | Hesse | ||
| Callbach | Rheinland-Pfalz | ||
| | |||
| Callenberg bei Hohenstein-Ernstthal | Saxony | ||
| Calw | Baden-Württemberg | ||
| Cambs | Mecklenburg-Vorpommern | ||
| Camburg | Thuringia | ||
| Cammin bei Neubrandenburg | Mecklenburg-Vorpommern | ||
| Cammin bei Rostock | Mecklenburg-Vorpommern | ||
| Cappel bei Bremerhaven | Lower Saxony | ||
| Cappeln (Oldenburg) | Lower Saxony | ||
| Carinerland | Mecklenburg-Vorpommern | ||
| Carlow | Mecklenburg-Vorpommern | ||
| Carlsberg, Pfalz | Rheinland-Pfalz | ||
| Carmzow-Wallmow | Brandenburg | ||
| Carpin | Mecklenburg-Vorpommern | ||
| Casekirchen | Saxony-Anhalt | ||
| Casekow | Brandenburg | ||
| Castell, Unterfranken | Bavaria | ||
| Castrop-Rauxel | North Rhine-Westphalia | ||
| Cattenstedt | Saxony-Anhalt | ||
| Cavertitz | Saxony | ||
| Celle | Lower Saxony | ||
| Celle-Scheuen | Lower Saxony | ||
| Cham, Oberpfalz | Bavaria | ||
| Chamerau | Bavaria | ||
| Charlottenberg bei Holzappel, Rhein-Lahn-Kreis | Rheinland-Pfalz | ||
| Chemnitz | Saxony | ||
| Chieming | Bavaria | ||
| Chiemsee | Bavaria | ||
| Chorin | Brandenburg | ||
| Christes | Thuringia | ||
| Christiansholm | Schleswig-Holstein | ||
| Christinenthal, Holstein | Schleswig-Holstein | ||
| Chüden | Saxony-Anhalt | ||
| Chursdorf bei Schleiz | Thuringia | ||
| Clausen, Kreis Pirmasens | Rheinland-Pfalz | ||
| Claußnitz bei Chemnitz | Saxony | ||
| Clausthal-Zellerfeld | Lower Saxony | ||
| Cleebronn | Baden-Württemberg | ||
| Clenze | Lower Saxony | ||
| Clingen | Thuringia | ||
| Cloppenburg | Lower Saxony | ||
| Cobbel | Saxony-Anhalt | ||
| Cobbelsdorf | Saxony-Anhalt | ||
| Coburg | Bavaria | ||
| Cochem | Rheinland-Pfalz | ||
| Coesfeld | North Rhine-Westphalia | ||
| Coesfeld-Lette | North Rhine-Westphalia | ||
| Cölbe | Hesse | ||
| Cölbe-Schönstadt | Hesse | ||
| Colbitz | Saxony-Anhalt | ||
| Colditz | Saxony | ||
| Collenberg | Bavaria | ||
| Colmberg | Bavaria | ||
| Colnrade | Lower Saxony | ||
| Cölpin | Mecklenburg-Vorpommern | ||
| Contwig | Rheinland-Pfalz | ||
| Coppenbrügge | Lower Saxony | ||
| Coppenbrügge-Bisperode | Lower Saxony | ||
| Coppengrave | Lower Saxony | ||
| Cörmigk | Saxony-Anhalt | ||
| Cornberg | Hesse | ||
| Coswig (Anhalt) | Saxony-Anhalt | ||
| Coswig bei Dresden | Saxony | ||
| Cottbus | Brandenburg | ||
| Crailsheim | Baden-Württemberg | ||
| Cramberg | Rheinland-Pfalz | ||
| Cramme | Lower Saxony | ||
| Cramonshagen | Mecklenburg-Vorpommern | ||
| Crawinkel | Thuringia | ||
| Creglingen | Baden-Württemberg | ||
| Cremlingen | Lower Saxony | ||
| Creußen | Bavaria | ||
| Creuzburg | Thuringia | ||
| Crimla | Thuringia | ||
| Crimmitschau | Saxony | ||
| Crinitz | Brandenburg | ||
| Crinitzberg | Saxony | ||
| Crispendorf | Thuringia | ||
| Crivitz | Mecklenburg-Vorpommern | ||
| Cröchern | Saxony-Anhalt | ||
| Crölpa-Löbschütz | Saxony-Anhalt | ||
| Cronenberg bei Lauterecken | Rheinland-Pfalz | ||
| Crossen an der Elster | Thuringia | ||
| Crostau | Saxony | ||
| Crostwitz | Saxony | ||
| Crottendorf, Erzgebirge | Saxony | ||
| Cumlosen | Brandenburg | ||
| Cunewalde | Saxony | ||
| Cursdorf | Thuringia | ||
| Cuxhaven | Lower Saxony | ||
| Cuxhaven-Altenbruch | Lower Saxony | ||
| Cuxhaven-Altenwalde | Lower Saxony | ||
| Cuxhaven-Lüdingworth | Lower Saxony | ||