| Komsomolsk am Amur | Komsomolsk |
| Komsomolsk | Komsomolsk |
| Komsomol | Komsomol |
| Kommissariat | commissariat |
| Komodowaran | Komodo dragon |
| Kompositeur | composer |
| Kommandeur | commander |
| Kommissar | superintendent commissioner |
| Kommissionär | factor |
| Kommunitarismus | communitarianism |
| Homomorphismus | homomorphism |
| Handelskammer | chamber of commerce board of trade |
| Rostow am Don | Rostov-on-Don |
| Kommandoturm | conning tower |
| Kommandör | commander |
| Kommentator | commentator |
| Kommissarin | commissioner commissar |
| Kommunikant | communicant |
| Kommunikantin | communicant |
| Kompasshaus | binnacle |