Ki
- Kispiox Village, Skeena River, British Columbia, Canada
- Kissimmee, Florida, USA
- Kisuki-Machi, Shimane, Japan
- Kita Matsuno, Shizuoka, Japan
- Kita Uonuma-to, Niigata, Japan
- Kitamaat, British Columbia, Canada
- Kitigan Zibi, Quebec, Canada
- Kitikshan, Skeena River, British Columbia, Canada
- Kitikshan, Upper Skeena River, Alaska, USA
- Kitikshan, Upper Skeena River, British Columbia, Canada
- Kitimat, British Columbia, Canada
- Kitimat-Stikine B, British Columbia, Canada
- Kition, Cyprus
- Kitkatla, British Columbia, Canada
- Kitlaghdamox, British Columbia, Canada
- Kitlope, British Columbia, Canada
- Kitlup, British Columbia, Canada
- Kitsap County, King County, Washington, USA
- Kitsap County, Washington state, USA
- Kitsap County, Washington, USA
- Kitsegukla, British Columbia, Canada
- Kitselas, British Columbia, Canada
- Kitwancool, British Columbia, Canada
- Kitwanga, British Columbia, Canada
Kl
- Klamath and Trinity Rivers, California, USA
- Klamath River, California, USA
- Klang Klang, Bali, Indonesia
- Klawak, Alaska, USA
- Klawak, Prince of Wales Island, Prince of Wales-Outer Ketchikan Division, Alaska, USA
- Klawock, Alaska, USA
- Klawock, Prince of Wales Island, Alaska, USA
- Klawock Vicinity, Prince Of Wales Island, Alaska, USA
- Kleena Kleene, British Columbia, Canada
- Klemtu, British Columbia, Canada
- Klickitat County, Washington, USA
- Klikitat County, Washington, USA
- Kliksiwe, British Columbia, Canada
- Klinkwan, Prince of Wales Island, Alaska, USA
- Klo Qwan, Kehk Qwan, Alaska, USA
- Klo Qwan, Kehk Qwan, Kehk Island, Alaska, USA
- Klo Qwan, Kehk Qwan, Kehk Straits, Alaska, USA
- KlRs, Borden Number
- KlRs-2, KlRs, Borden Number
- KlRs-5, KlRs, Borden Number
- KlSt, Borden Number
- KlSt-1, KlSt, Borden Number
- Kluckwan, Alaska, USA
- Klukwan, Alaska, Haines, Alaska, USA
- Klukwan, Alaska, USA
- Klukwan, Chilkat River, Haines Borough, Alaska, USA
- Klukwan, Haines Borough, Alaska, USA
KnKo
- Kobuk River, Northwest Arctic Borough, Alaska, USA
- Kochi, Japan
- Kodiak, Kodiak Island, Kodiak Island Borough, Alaska, USA
- Kodiak Island, Alaska, USA
- Kodiak Island, Kodiak Island Borough, Alaska, USA
- Kodiak Island Borough, Alaska, USA
- Kodinar, Gujarat, India
- Kohistan, Northwest Frontier, Pakistan
- Kohren, Germany
- Koianglas, Long Island, Alaska, USA
- Koiari, Southern Highlands, Papua New Guinea
- Koide, Niigata, Japan
- Kokan, Greenland
- Kokenoshima, Niigata, Japan
- Koksilah, British Columbia, Canada
- Kolombangara, Solomon Islands
- Komas Ranch, British Columbia, Canada
- Komenya, Vaupes, Colombia
- Kon Island, Alaska, USA
- Kon Island, Security Bay, Alaska, USA
- Konduz, Afghanistan
- Koniganok, Chagvan Bay, Alaska, USA
- Konotani, Kochi, Japan
- Kook Noo Oo, Icy Strait, Haines Borough, Alaska, USA
- Kooknovon, Icy Strait, Haines Borough, Alaska, USA
- Kooskia, Idaho, USA
- Kootenay, British Columbia, Canada
- Kootenay Area, British Columbia, Canada
- Kootenay Lake, British Columbia, Canada
- Kootznahoo, Alaska, USA
- Korea
- Korogo, East Sepik, Papua New Guinea
- Korta Heere, Sitka, Baranof Island, Sitka Borough, Alaska, USA
- Kosciusko Island, Alaska, USA
- Koskimo, British Columbia, Canada
- Koskimo, Vancouver Island, British Columbia, Canada
- Koskimo Village, British Columbia, Canada
- Kotzebue, Alaska, USA
- Kotzebue, Hotham Inlet, Alaska, USA
- Kotzebue, Northwest Arctic Borough, Alaska, USA
- Kotzebue Sound, Alaska, USA
- Kotzebue Sound, Northwest Arctic Borough, Alaska, USA
- Kotzebue Vicinity, Selawik River, Northwest Arctic Borough, Alaska, USA
- Kougpagmiut, Canada
- Koukpagmiut, Canada