- Language: Wasco-Wishram
- Alternate names: Kiksht, Wasco, Wishram, Upper Chinook, Columbia Chinook, Chinook (Upper), Upper Chinookan
- Language code: wac
- Language family: Chinookan, Upper Chinookan (SIL classification)
- Number of speakers: Ø
- Vulnerability: Dormant
Wasco-Wishram is a variety of Kiksht, the only one that still has any speakers.