The Interior Salish languages are one of the two main branches of the Salishan language family, the other being Coast Salish. It can be further divided into Northern and Southern subbranches. The first Interior Salish people encountered by American explorers were the Flathead people (Selish or seliš).

Languages

Languages with no living native speakers are marked with an obelisk, †.

The Southern Interior Salish languages share many common phonemic values but are separated by both vowel and consonant shifts (for example k k̓ x > č č' š).

Peoples speaking an Interior Salish language

Northern

• Secwepemc, also known as Shuswap, Secwepemctsín, səxwəpməxcín (ʃəxwəpməxtʃín).
• St̓át̓imc, also known as Lillooet, Stlʼatlʼimx, Stlʼatlʼimc, Sƛ’aƛ’imxǝc (St̓át̓imcets, also known as Úcwalmicwts).
• Nlaka'pamux, also known as Thompson River Salish, Ntlakapmuk, Ntleʼkepmxcín, Thompson River, Thompson Salish, Thompson, known in frontier times as the Hakamaugh, Klackarpun, Couteau or Knife Indians.

Central

• Colville, Sinixt (Senjextee, Sin Aikst, or Lakes Band), Sanpoil, Okanagan, and Methow, all of whom speak Nxsəlxcin.

Eastern

• Spokane, Kalispel, and the Flathead, including the Bitterroot, all of whom speak Montana Salish.

Southern

• Sinkiuse-Columbia, Entiat, Wenatchi, and Chelan, all of whom traditionally speak or spoke Columbia-Moses, also known as Nxaảmxcín, Sinkiuse-Columbia, Sinkiuse, Columbia.
• Coeur d'Alene people, also known as Schitsu'umsh or Skitswish (Coeur d'Alene language).

Many speakers and students of these languages live near the city of Spokane and for the past three years have gathered at the Celebrating Salish Conference which is hosted by the Kalispel Tribe at the Northern Quest Resort & Casino.^[3]