Ko
- Koartac
- Koch Island
- Kock Island
- Kodlunarn Island
- Kogalu River
- Kogaluc Lake
- Kogaluc River
- Kogaluk Bay
- Kogaluk Lake
- Kogaluk River
- Kogluktok
- Kogluktualuk
- Kognak River
- Kohlmeister Island
- Koidern
- Koidern River
- Koka Lake
- Kokanee Peak
- Kokeragi Point
- Kokerighi
- Kokittwa Hill
| - Koksoak River
- Koktac River
- Koktak River
- Koluktoo Bay
- Komakok Beach
- Komakuk Beach
- Komoux
- Komoux
- Komushikoba River
- Konamoxt Glacier
- Kongikslaluk
- Kongut River
- Konka
- Konkoenig Point
- Konrad Brook
- Konth River
- Koochiching
- Koochiching Fall
- Koochiching Falls
- Koojesse Inlet
- Koonwak
| - Kootanie
- Kootanie River
- Kootenai
- Kootenai
- Kootenai Creek
- Kootenai River
- Kootenai River
- Kootenay Junction
- Kootenay Lake
- Kootenay Landing
- Kootenay National Park
- Kootenay River
- Kootenie River
- Kootienay River
- Kopka River
- Korak Bay
- Korak River
- Koraluk Brook
- Koraluk River
- Korok River
- Koroksoak
| - Koroksuakh Brook
- Koruksuakh Brook
- Koskeemo
- Kostal Lake
- Kotaneelee River
- Kotcho Lake
- Kotcho River
- Kouchibouguac Beach
- Koukala River
- Koukdjuak River
- Koukjuak River
- Kovach
- Kovic Bay
- Kovic River
- Kovik Bay
- Kovik River
- Kowatinook Creek
- Kowkash
- Kozo Lake
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