| Korskirken | Korskirken | Norway, Bergen, Vågsbunnen | 2008-02-13 | 2008-02-14 | 2008 | 1 | |
| Kommunales Kontakttheater | Kommunales kontakttheater (KKT) | Germany, Stuttgart, Kissinger Straße 66A | 1996-06-07 | -- | 1996 | 1 | |
| Kolpingsaal | Kolpingsaal | Germany, Neunkirchen/Saar | 1980-03-17 | -- | 1980 | 1 | |
| Kellertheater des GZ Buchegg | Kellertheater des GZ Buchegg | Switzerland, Zürich, Bucheggstr. 93 | 2013-05-20 | 2013-05-17 | 2013 | 1 | |
| KCRW | KCRW | United States of America, Santa Monica, Pico Boulevard | 1997-09-07 | -- | 1997 | 1 | |
| Keylor Grand | Keylor Grand | United States of America, Walla Walla | 1905-11-27 | 1905-11-27 | 1905 | 1 | |
| Kazalište Marina Držiča | Kazalište Marina Držiča | Croatia, Dubrovnik, Pred Dvorom 3 | -- | -- | | 1 | |
| Kenosha | Kenosha | United States of America, Kenosha | -- | -- | | | |
| Kent | Kent | England, Kent | -- | -- | | | |
| Koppang | Koppang | Norway, Koppang | -- | -- | | | |
| Kaliningrad | Kaliningrad | Russia, Kaliningrad | -- | -- | | | |
| Koriyama | Koriyama | Japan, Koriyama | -- | -- | | | |
| Koszalin | Koszalin | Poland, Koszalin | -- | -- | | | |
| Klagenfurt | Klagenfurt | Austria, Klagenfurt | -- | -- | | | |
| Kuressaare | Kuressaare | Estonia, Kuressaare | -- | -- | | | |
| Kaiserliches Deutsches Hoftheater | Kaiserliches Deutsches Hoftheater St. Petersburg | Russia, Saint Petersburg | -- | -- | | | |
| Kulturni centar Zrenjanina | Kulturni centar Zrenjanina (Zrenjanin Cultural Center) | Serbia, Zrenjanin, Narodne omladine 1 | -- | -- | | | |
| Königsberg | Königsberg | Germany, Königsberg | -- | -- | | | |
| Korgen | Korgen | Norway, Korgen | -- | -- | | | |
| Kardam (Arman) | Кардам (Kardam) | Bulgaria, Kardam | -- | -- | | | |
| Kärnten | Kärnten | Austria | -- | -- | | | |
| Kyoto | Kyoto | Japan, Kyoto | -- | -- | | | |
| Kammerbühne | Kammerbühne | Germany, Schwerin | -- | -- | | | |
| Kotka | Kotka | Finland, Kotka | -- | -- | | | |
| Komaba Agora Theater | ΑΓΟPA (Komaba Agora Theater) (Komaba Agora Theater) | Japan, Meguro-ku, Komaba 1-11-13, Yubinbango | -- | -- | | | |
| Karlsruhe | Karlsruhe | Germany, Karlsruhe | -- | -- | | | |
| Krasnyy Fakel | Krasnyy Fakel (The Novosibirsk State Academic Drama Theatre «Red Torch») | Russia, Novosibirsk Oblast, Ulitsa Lenina, 19 | -- | -- | | | |
| Kalundborg | Kalundborg | Denmark, Kalundborg | -- | -- | | | |
| Karcag | Karcag | Hungary, Karcag | -- | -- | | | |
| Kokkola | Kokkola | Finland, Kokkola | -- | -- | | | |
| Kinderspace | Kinderspace | Japan, Tokyo | -- | -- | | | |
| Kulttuuritehdas Korjaamo | Kulttuuritehdas Korjaamo | Finland, Helsinki | -- | -- | | | |
| Konak Sahnesi | İzmir Devlet Tiyatrosu Konak Sahnesi ( Izmir State Theatre Konak Stage) (Konak Stage) | Turkey, Izmir, Mithatpaşa Caddesi No: 110 Konak | -- | -- | | | |
| Krøderen | Krøderen (Kroederen) | Norway, Krøderen | -- | -- | | | |
| Kneževo | Kneževo | Bosnia and Herzegovina | -- | -- | | | |
| Köln | Köln | Germany, Köln | -- | -- | | | |
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