- K ... Kaali järv Craters
- Kaanum Pongal ... kacapi
- kaccā ... Kaerlighed uden strømper
- Kaesŏng ... Kahlenberg, Battle of
- Kahler Asten ... Kainji Lake National Park
- Kainji languages ... Kakushi-toride no san-akunin
- Kakushin Kurabu ... Kalendae
- Kalender-Geschichten ... Kalmar Union
- Kalmar War ... Kamarān
- Kamáres ware ... Kamil, al-
- Kāmil, al-Malik al- ... Kan-chou
- Kan-gyur ... Kānemī, Muhammad al-Amin al-
- Kaneohe ... Kannada literature
- Kaṇṇan pāṭṭu ... Kantianism
- Kantipur ... Kapghan
- kapha ... Karabagh rug
- Karabakh ... Karaman
- Karamanli, Aḥmed ... Karfunkle, Jerome
- Karg-Elert, Sigfrid ... Karlowitz
- Karlowitz, Treaty of ... Karp, Richard Manning
- Kárpathos ... Kasayaprabhrta
- kasb ... Kasrāʾī, Seyāvūsh
- Kass Kounty King Korn Karnival ... Katehar
- Kater’s pendulum ... Katsuta
- Katsuwonus pelamis ... Kaushika
- Kausikan, Bilahari ... Kawm Umbū Temple
- Kawm, el- ... Kazanlŭk Tomb
- Kazantzakes, Nikos ... Kebara
- Kebara 2 ... Kefallinía
- Kefallonia ... Kekulé, Friedrich August
- KEL ... Kelly, Jim
- Kelly, John B. ... Kemosh
- kemp ... Kennedy, Aimee Elizabeth
- Kennedy, Anthony ... Kensington
- Kensington and Chelsea ... Kenyon, John S.
- Kenyon, Richard ... Keres, Paul
- Keresan language ... Kerry Hulme
- Kerry, John ... Kett, Robert
- Ketteler, Wilhelm Emmanuel, Baron von ... Keyes, Geoffrey
- Keyes, Roger John Brownlow Keyes, 1st Baron ... khaki
- Khāl, Yūsuf al- ... khan
- khan ... Khari Boli
- Khaṛiā ... khejri
- Khelein hum jee jaan sey ... Khodasevich, Vladislav
- Khodorkovsky, Mikhail ... Khrebet Karatau
- khres-pa ... Khyber Pass
- Khyber Rifles ... Kidder, Alfred V.
- Kidder, Alfred Vincent ... Kiir Mayardit, Salva
- Kiira Dam ... killer cell, natural
- Killer Clown, the ... Kim Ŏk
- Kim Ok-Kyun ... Kinck, Hans E.
- Kinck, Hans Ernst ... King Amuses Himself, The
- King and I, The ... king oyster mushroom
- king penguin ... King, Gregory
- King, Henry ... Kings of Leon
- Kings of the Road ... Kinosternon baurii
- Kinosternon scorpioides ... Kirchhoff, Gustav Robert
- Kirchliche Dogmatik ... Kirkwood, James
- Kirmān ... Kiss
- kiss ... Kitāb al-maʿārif
- Kitāb al-muḥāḍarah wa al-mudhākarah ... kitsune
- Kitsur massous Binyomin hashlishi ... Kladno
- klado-borane ... Kleinbasel
- Kleindeutsch ... klompen
- klondike ... Knesset
- knez ... Knights’ School
- Knights’ War ... knowledge management system
- Knowledge Universe, Inc. ... Kōami Nagashige
- koan ... Koch, Johannes
- Koch, Karl Otto ... Koga
- Koga Mineichi ... Kokalla I
- Kōkan ... kolf
- Kolguyev Island ... Komadugu Yobe River
- Komaga, Mount ... Konakry
- Kōnan ... Königskinder
- Königsmark, Maria Aurora, Countess von ... Konya carpet
- Konya, Battle of ... Korana
- Koraput ... Korinthiakós, Isthmós
- Korínthou Canal ... Kosba, Simeon bar
- Koscak ... Kosti
- Kostiantynivka ... Koulougli
- Koulountou River ... Kr
- Kra Peninsula ... Krasinski, John
- Krasinski, John Burke ... Kremenchuk Reservoir
- Kremer Prize ... Kris
- kris ... Krogh, Schack August Steenberg
- Krogh, Thomas E. ... Krumbacher, Karl
- Krumgold, Joseph ... kuala
- Kuala Belait ... Kudowa Zdrój
- Kudrow, Lisa ... Kuki-Chin languages
- Kukish languages ... Kumar, Kishore
- Kumar, Meira ... Kunersdorf, Battle of
- Kunětická, Mount ... Kupala, Yanka
- Kupang ... Kurita, Shigetaka
- Kurja ... Kusana art
- Kusana dynasty ... Kutudgu bilig
- Kutur-Mabuk ... Kwangtung
- Kwanmo Peak ... Kyōgyōshinshō
- Kyōha Shintō ... Kzyl-Orda
