| Kes | Kes |
| keso | cottage cheese |
| Kessai Note | Kessai Note |
| Kestilä | Kestilä |
| Keszthely | Keszthely |
| Kesälax | Kesälahti |
| Ketazolam | Ketazolam |
| ketch | ketch |
| ketchup | ketchup |
| Ketobemidon | Ketobemidone |
| Keton | Ketone |
| Ketonkropp | Ketone bodies |
| Kettil Karlsson | Kettil Karlsson |
| Ketuba | Ketubah |
| Keuru | Keuruu |
| Kevin | Kevin |
| Kevin Bacon | Kevin Bacon |
| Kevin Carter | Kevin Carter |
| Kevin Costner | Kevin Costner |
| Kevin Doyle | Kevin Doyle |
| Kevin Federline | Kevin Federline |
| Kevin Garnett | Kevin Garnett |
| Kevin Keegan | Kevin Keegan |
| Kevin Kline | Kevin Kline |
| Kevin Kuranyi | Kevin Kurányi |
| Kevin McKidd | Kevin McKidd |
| Kevin Mitnick | Kevin Mitnick |
| Kevin Moore | Kevin Moore |
| Kevin Pollak | Kevin Pollak |
| Kevin Rudd | Kevin Rudd |
| Kevin Smith | Kevin Smith |
| Kevin Spacey | Kevin Spacey |
| Kevin van der Perren | Kevin van der Perren |
| Kevin Weekes | Kevin Weekes |
| Kevlar | Kevlar |
| kex | biscuit |
| Kexholm | Priozersk |
| Kexholms län | Kexholm County |
| Key Performance Indicator | Key performance indicators |
| Keygen | Keygen |
| Keylogger | Keystroke logging |
| Keyra Augustina | Keyra Augustina |
| KF | KF |
| KF Partizani | KF Partizani Tirana |
| KFC | KFC |
| KFOR | Kosovo Force |
| KFUK-KFUM | YMCA |
| Kgatleng | Kgatleng District |
| KGB | KGB |
| Khabur | Khabur River |
| Khadidja | Khadijah bint Khuwaylid |
| Khai Dinh | Khai Dinh |
| Khair ed-Din | Hayreddin Barbarossa |
| Khajuraho | Khajuraho |
| Khaldjidynastin | Khilji dynasty |
| Khaled | Khaled |
| Khaled Mashal | Khaled Mashal |
| Khalid bin Abdul Aziz | Khalid of Saudi Arabia |
| Khalid Sheikh Mohammed | Khalid Sheikh Mohammed |
| Khalifa ibn Zaid Al Nahayan | Khalifa bin Zayed Al Nahayan |
| Khalil Gibran | Khalil Gibran |
| Khalkha | Khalkha |
| Khamiruinerna | Khami |
| Khamsin | Hamsin |
| Khamûl | Khamul |
| Khan | Khan |
| Khanaqa | Khanqah |
| Khanbalik | Khanbaliq |
| Khang Khek Ieu | Khang Khek Ieu |
| Khanh Hoa | Khanh Hoa Province |
| Khaosai Galaxy | Khaosai Galaxy |
| Khaosan Road | Khaosan Road |
| Kharijiter | Kharijites |
| Kharilaos Vasilakos | Kharilaos Vasilakos |
| Kharosti | Kharoṣṭhī |
| Khartoum | Khartoum |
| Khasi | Khasi |
| Khazad-Dûm | Moria |
| Khazarer | Khazars |
| Khediv | Khedive |
| Khemed | Khemed |
| Khepri | Khepri |
| Khieu Samphan | Khieu Samphan |
| khmer | Khmer |
| Khmerer | Khmer people |
| Khnum | Khnum |
| Khodadad Azizi | Khodadad Azizi |
| Khoikhoi | Khoikhoi |
| Khoisan | Khoisan |
| Khoja Ahmed Yasawis mausoleum | Mausoleum of Khoja Ahmed Yasavi |
| Khon Kaen | Khon Kaen Province |
| Khonsu | Chons |
| Khorasan | Khorasan |
| Khorne | Khorne |
| Khorramabad | Khorramabad |
| Khorramshahr | Khorramshahr |
| Khorsabad | Dur-Sharrukin |
| Khotan | Hotan |
| Khoy | Khoy |
| Khrysippos | Chrysippus |
| Khubilai khan | Kublai Khan |
| Khulna | Khulna |
| Khushab | Khushab District |
| Khusrov | Khosrau |
| Khusrov II | Khosrau II |
| Khutba | Khutba |
| Khuzdul | Khuzdul |
| Khuzestan | Khūzestān Province |
| Khwarezm | Khwarezm |
| Khyentse Norbu | Dzongsar Jamyang Khyentse Rinpoche |
| Khémisset | Khemisset |
| Khöömii | Khoomei |
| Ki-aikido | Ki-Aikido |
| Kia | Kia Motors |
| Kia Cerato | Kia Spectra |
| Kia Magentis | Kia Optima |
| Kia Picanto | Kia Morning |
| kiasm | chiasmus |
| kibbutz | kibbutz |
| Kibologi | Kibology |
| kick | kick |
| Kick Out the Jams | Kick Out the Jams |
| Kickapoo | Kickapoo |
| Kickboxning | Kickboxing |
