| Klanjec | Klanjec |
| Klara Hitler | Klara Hitler |
| Klarälven | Klarälven |
| Klas Eklund | Klas Eklund |
| Klas Pontus Arnoldson | Klas Pontus Arnoldson |
| Klaukkala | Klövskog |
| Klaus | Klaus |
| Klaus Augenthaler | Klaus Augenthaler |
| Klaus Barbie | Klaus Barbie |
| Klaus Dinger | Klaus Dinger |
| Klaus Fischer | Klaus Fischer |
| Klaus Fleming | Clas Eriksson Fleming |
| Klaus Fuchs | Klaus Fuchs |
| Klaus Kinski | Klaus Kinski |
| Klaus Kleinfeld | Klaus Kleinfeld |
| Klaus Mann | Klaus Mann |
| Klaus Maria Brandauer | Klaus Maria Brandauer |
| Klaus Nomi | Klaus Nomi |
| Klaus Röder | Klaus Röder |
| Klaus von Dohnanyi | Klaus von Dohnanyi |
| Klaus von Klitzing | Klaus von Klitzing |
| Klaus Voormann | Klaus Voormann |
| Klaus Wowereit | Klaus Wowereit |
| Klausjürgen Wussow | Klausjürgen Wussow |
| klaxon | signalhorn |
| Kleenex | Kleenex |
| Klein Bonaire | Klein Bonaire |
| Klein bottle | Kleinflaska |
| Klein Curaçao | Klein Curaçao |
| Kleindietwil | Kleindietwil |
| Kleine-Levin syndrome | Kleine-Levins syndrom |
| Klement Gottwald | Klement Gottwald |
| Klemi Saban | Klemi Saban |
| Klepp | Klepp kommun |
| kleptomania | kleptomani |
| kleptomaniac | kleptomanisk |
| Kleve | Kleve |
| Klezmer | Klezmer |
| Kliment Turnovski | Vasil Drumev |
| Kliment Voroshilov | Kliment Vorosjilov |
| Kling Klang | Kling Klang Studio |
| Klingenberg | Klingenberg |
| Klingnau | Klingnau |
| Klingon Language Institute | Klingon Language Institute |
| Kliper | Kliper |
| Klippan Municipality | Klippans kommun |
| Klippel-Feil syndrome | Klippel-Feils syndrom |
| Klipspringer | Klippspringare |
| Ključ | Klav |
| KLM | KLM |
| Klondike | Harpan |
| Klondike Gold Rush | Guldruschen i Klondike |
| Klondike River | Klondike |
| Klosters | Klosters-Serneus |
| Kluane National Park and Reserve | Kluane nationalpark |
| Kluczbork | Kluczbork |
| Klushino | Klusjino |
| Kluuvi | Gloet |
| Klyuchevskaya Sopka | Klutjevskaja Sopka |
| Klæbu | Klæbu kommun |
| KMail | Kmail |
| Kmara | Kmara |
| KN | KN |
| Knabstrup | Knabstrupper |
| knack | knep |
| knapsack | ryggsäck |
| Knattspyrnudeild UMFG | Ungmennafélag Grindavíkur |
| Knattspyrnufélagið Þróttur | Knattspyrnufélagið Þróttur |
| Knautia arvensis | Åkervädd |
| knave | knekt |
