- k ... Kaarta
- Kaas ... kacha
- Kachari ... Kaffeklubben Island
- Kaffir ... Kahn, Bob
- Kahn, Florence Prag ... Kaiser Foundation Medical Care Program
- Kaiser Friedrich ... Kalābādhī
- Kālābāgh ... Kali Yuga
- Kalibangan ... kalonji
- Kalonymos family ... Kambui Schists
- Kambuja-desa ... Kammenos, Panos
- Kammer ... Kanamī, Muḥammad al-
- Kanamori, Hiroo ... kangaroo rat
- Kangaroo Valley ... Kanō Sanraku
- Kanō school ... Kanuri language
- Kanva dynasty ... kapok family
- Kapoor, Anil ... Karagasy
- Karageorge ... Karatsu
- Karatsu ware ... Karjalan Kannas
- Karkar ... Karnag
- Karnak ... Kartli Plain
- Kārttikeya ... Kashmiri language
- Kashmiri literature ... katabatic wind
- Kataev, Valentin ... Katmandu
- Katna ... Kaufman, Robert Garnell
- Kaufman, Terrence ... Kawai Kanjirō
- Kawai Yoshisaburō ... Kazak literature
- Kazakh ... Kean, Edmund
- Kean, Ellen ... Keep Your Powder Dry
- Keep, The ... Keizan Jōkin
- Keizersgracht ... Kelly, Erin Entrada
- Kelly, Eugene Curran ... Kemijoki
- Kemmer, Nicholas ... Kennedy Center for the Performing Arts
- Kennedy Channel ... Kensington
- Kensington and Chelsea ... Kenyūsha
- Kenzan ... Keresztessy, József
- Keret Epic ... Kersey, John, the Younger
- Kershaw ... Kettle Creek, Battle of
- kettle gong ... Keynesian economics
- keynote ... Khaled Hadj Brahim
- Khaled, Amr ... Khan, Agha Mohammad Yahya
- Khan, Ali Akbar ... Khartoum massacre
- Khartoum North ... Khety
- Khety, House of ... Khomeini, Ayatollah Ruhollah
- Khomeini, Ruhollah ... Khuddaka Nikaya
- Khuddaka-patha ... Kiawah Island
- Kibaki, Emilio Mwai ... kidney sinus
- kidney stone ... Kilauea Crater
- Kilauea Iki ... Killing of a Sacred Deer, The
- Killing of Sister George, The ... Kimch’aek
- Kimch’ŏn ... kinematic relativity
- kinematic viscosity ... King Khālid Military City
- King Kong ... King’s Players
- King’s Port ... Kingfish
- kingfish ... Kinnear, Greg
- Kinnear, Roy ... Kipsikis
- kipuka ... Kirkland, Joseph Lane
- Kirkland, Lane ... Kisielewski, Stefan
- Kisii ... Kitāb al-imtā wa al-muʾānasah
- Kitāb al-ishitqāq ... Kíthira
- Kiti Hasaai ... Klaassen, Jan
- Klabat, Mount ... Kleinbasel
- Kleindeutsch ... Klondike gold rush
- Klondike River ... Knickerbocker school
- Knickerbocker, Cholly ... knish
- knit stitch ... Knox Manual Labor College
- Knox v. Lee ... Kōbe Steel, Ltd.
- Kobe, Tim ... Kochno, Boris
- Kochowski, Wespazjan ... Kohistani
- kohl ... Kokon sanpoki
- Kokoro ... Kollegienkirche
- Kollek, Teddy ... Komi
- Komi ... Koneski, Blaže
- Koneswaram Temple ... Konkouré River
- Konnappu Bandara ... Kootenay School of Writing
- Kopacz, Ewa ... Korea Bay
- Korea Cold Current, North ... Korobov, Ivan K.
- Köroğlu ... Kosice, Gyula
- Košice, Pact of ... kothornoi
- Kotik Letaev ... Kovner, Abba
- Kovno ... kraken
- Kraken, The ... kratom
- kraton ... Krėvė-Mickievičius, Vincas
- Krevo, Union of ... Kriticheskiye zametki k voprocy ob ekonomicheskom razviti rossi
- Kritik der hegelschen Staatsrechts ... Kroumirie
- kroupala ... Ksar el-Kebir
- Ksar es-Souk ... Kubo and the Two Strings
- Kubovy, Aryeh Leon ... Kuhn, Werner
- Kuhnau, Johann ... Kulp, Nancy
- Külpe, Oswald ... Kun, Béla
- Kuna ... Künstler, Der
- Kunstler, William ... Kurentovanje
- Kureyka ... Kurumba
- Kurumba language ... Kutchin
- Kutenai ... kwaart
- kwabornament ... Kyles, Cedric Antonio
- Kylián, Jiří ... Kzyl-Orda