| Katrin Apel | Katrin Apel |
| Katrin Dörre | Katrin Dörre-Heinig |
| Katsina | Katsina State |
| Katsuhiro Ōtomo | Katsuhiro Otomo |
| Katsushika Hokusai | Hokusai |
| Katta Kurgan | Katta-Kurgan |
| Kattara | Qattara Depression |
| Kattegat | Kattegat |
| Katullus | Catullus |
| Katun | Cotton |
| Katuń | Katun River |
| KATV Tower | KATV Tower |
| Katylina | Catiline |
| Katyna | Cathine |
| Katynon | Cathinone |
| Katyń | Katyn |
| Kauai | Kauai |
| kaucja | bail |
| kauczuk | caoutchouc |
| kauczukowiec | rubber tree |
| Kauen | Kaunas Ghetto |
| Kaufbeuren | Kaufbeuren |
| Kaufering | Kaufering |
| Kaufland | Kaufland |
| Kaufman | Kaufmann |
| Kaufungen | Kaufungen |
| kaukaski | Caucasian |
| Kaukaz | Caucasus |
| Kaukaz Południowy | South Caucasus |
| Kaukaz Północny | North Caucasus |
| Kaukazologia | Caucasology |
| Kaupanger stavkirke | Kaupanger stave church |
| Kaus Australis | Epsilon Sagittarii |
| kaustyczny | caustic |
| Kavadarci | Kavadarci |
| Kavaja | Kavajë |
| Kavaratti | Kavaratti |
| Kavminvodyavia | Kavminvodyavia |
| kawa | coffee |
| Kawa i papierosy | Coffee and Cigarettes |
| Kawa kongijska | Coffea canephora |
| Kawa po irlandzku | Irish coffee |
| kawa po turecku | Turkish coffee |
| Kawad I | Kavadh I |
| Kawala | Kavala |
| kawaler | bachelor |
| Kawaler srebrnej róży | Der Rosenkavalier |
| kawaleria | cavalry |
| kawalerka | bachelor |
| Kawalerowie maltańscy | Knights Hospitaller |
| Kawasaki Heavy Industries | Kawasaki Heavy Industries |
| kawał | joke |
| kawał z brodą | old chestnut |
| kawałek | piece |
| Kawaůek | Bit |
| Kaweri | Kaveri River |
| kawiarka | barista |
| kawiarnia | café |
| Kawiarnia Szkocka | Scottish Café |
| kawior | caviar |
| kawka | jackdaw |
| Kawon | Watermelon |
| Kawowiec | Coffea |
| Kay Stammers | Kay Stammers |
| Kayah | Kayah |
| Kayes | Kayes |
