The Sliammon First Nation is a First Nations government located on the upper Sunshine Coast in southwestern British Columbia, Canada. The Sliammon are part of, with their neighbours the Klahoose, Homalco, whose territory is on the adjoining areas of the Mainland, and the K'omoks who reside around the town of Campbell River on Vancouver Island, the larger grouping of the Comox people, which is a subgroup of the Coast Salish. Their ancestral tongue is the Comox language.
The Sliammon First Nation is a member government of the Naut'sa mawt Tribal Council. Their offices are located in the town of Powell River. Main community is on Sliammon Indian Reserve #1, just north of Powell River. (Six reserves on 1,907.2 hectares.)
Powell River, Sliammon I.R., Lund, Harwood Island