K
- Kabulstan: a xenophobic third-world military dictatorship in an episode of MacGyver, probably modelled on Afghanistan and named after its capital Kabul.
- Kafaristan: from William Rose Benét's children's book The Flying King of Kurio.
- Kahndaq: an ancient Middle-Eastern country in DC Comics. located on the Sinai Peninsula, between Egypt, Israel and Jordan.
- Kajsa (Casha, Kasha): a sultanate from the sitcom I Dream of Jeannie. Neighbor to Basenji.
- Kalampore: an African kingdom from film Dr. Dolittle: Tail to the Chief.
- Kalao: an African country affected by a covered-up industrial accident in the film Panique
- Kalny: Middle Eastern country, from TV series The Six Million Dollar Man.
- Kalubya: North African country, corresponding in location to Libya, in the arcade game Operation Thunderbolt
- Kalya: West African country in the novel The Zinzin Road by Fletcher Knebel.
- Kamaria: a Southeast Asian country (shaped as Tasmania upside down) used by the Australian Defence Forces for training purposes.
- Kamanga: a Southern African country in the novel Tenth Man Down by Chris Ryan.
- Kambezi: an African country occurring in several episodes of MacGyver, e.g. "Black Rhino."
- Kamburu: totalitarian desert nation in the comic book mini-series JLA: Destiny. Based on Iraq or Libya, and secretly ruled by a fugitive alien.
- Kamistan, Islamic Republic of: Middle-Eastern country in peace talks with USA during season 8 of 24
- Kampong: from the Aubrey/Maturin novel The Thirteen-Gun Salute by Patrick O'Brian
- Kandah State: a Sultanate in Ann Halam's Taylor Five; located on Borneo between Malaysia and Indonesia.
- Kangan: an African nation in the novel Anthills of the Savannah by Chinua Achebe.
- Kanto: region in Pokémon Red, Blue, Yellow, Gold, Silver, Crystal, FireRed, and LeafGreen, HeartGold, and SoulSilver.
- Karak: Middle Eastern country neighboring Ajir in the Mission: Impossible TV episode "Nitro"
- Karathia: Slavic monarchy in the Three Young Investigators series.
- Karistan: Central European country in the film Legend of the White Horse
- Karjastan: Central Asian country in The Sentinel
- Karlova: European kingdom in Edgar Rice Burroughs's The Rider.
- Karlsberg or Karlsburg: small, Germanic European kingdom in the operetta The Student Prince.
- Karovia: European kingdom from the film Trouble for Two
- Kasja: Said to be neighbouring Basenji, in the TV sitcom I Dream of Jeannie.
- Kasnia: war-torn Eastern European monarchy in the DC Animated Universe
- Katanga: African country, neighboring Sierra Leone, in Frederick Forsyth's The Dogs of War; Katanga is also a real province of the Democratic Republic of the Congo.
- Katara: an African country, neighbour of Mgunda from TV series The Six Million Dollar Man.
- Katzenstok: a republic in the Balkans from Road Rovers TV series
- Kaziland: tiny island nation, home to Dr. Kamikazi, the villain of the Robotboy series
- Keltic Sultanate: Islamic sultanate comprising the British Isles, from The Years of Rice and Salt, by Kim Stanley Robinson
- Kenyopia: belligerent African nation in the TV series Totally Spies!, attempting to conquer its fictitious neighbor Lyrobia
- Kharun: an African nation split into a North and a South by civil war with a peace deal negotiated by a fictional Danish Prime Minister in the Danish TV series Borgen.
- Khembalung: a Buddhist Himalayan country whose population moves to an island in the Science in the Capital series by Kim Stanley Robinson
- Khemed: an Arabic monarchy from Tintin
- Khios, Kingdom of: a Muslim island kingdom in the Sea of Marmara, featured in the computer game No One Lives Forever 2: A Spy In H.A.R.M.'s Way.
- Kilika: a place in Final Fantasy X and X-2 where Dona and various people live.
- Kimbala: an African nation from TV series MacGyver.
- Kinakuta (Queenah-Kootah): an island state from Neal Stephenson's novels Cryptonomicon and The Baroque Cycle.
- Kinjanja: a newly independent African country in the film A Good Man in Africa
- Kinkow: mysterious island monarchy in the South Pacific, the setting of the TV series Pair of Kings
- Kipi Kipi: South Pacific island state in the TV series Pair of Kings
- Klopstokia: a country whose chief export (and chief inhabitants) are "goats and nuts," from the W. C. Fields film Million Dollar Legs.
- Kneebonia: a country neighboring Elbonia in the Dilbert comic-strip.
- Koy4goff: an e-mail spam-exporting country located in Eastern Europe and bordering Popupistan, as reported by The Onion. Real-world location depicted as between Russia and Kazakhstan
- Krakozhia: a Slavic country from the film The Terminal.
- Kravonia: an Eastern European country from the novel Sophy of Kravonia by Anthony Hope and the subsequent film.
- Kravta Nova, Republic of: an Eastern European nation referenced in the Father Ted episode Speed 3.
- Kreplakistan: Soviet Republic from the Austin Powers films, likely based on the real Karakalpak Autonomous Soviet Socialist Republic, now the Republic of Karakalpakstan. (The eponymous "Kreplach" is an Eastern-European Jewish dish consisting of meat-filled dumplings.)
- Kuala Rokat: a Far-Eastern country in the Mission: Impossible TV episode "The Seal"
- Kukuanaland: African country in Rider Haggard's King Solomon's Mines, ruled first by King Twala, then by King Ignosi.
- Kumor : an island from The diaries of Kumor Jheinn
- Kurio: from William Rose Benét's children's book The Flying King of Kurio
- Kuristan: central Asian nation in the film Mr. Magoo, home to the famous jewel The Star of Kuristan.
- Kurland: a kingdom in the film A Royal Family (but see Courland)
- Kush: an African country in John Updike's novel The Coup
Read more about this topic: List Of Fictional Countries