Kitasoo/Xaixais First Nation
              < Kitasoo 
          | People | Kitasoo (Tsimshian) / Xai'xais | 
|---|---|
| Headquarters | Klemtu | 
| Province | British Columbia | 
| Land | |
| Main reserve | Kitasoo 1 | 
| Land area | 7.2 km2 | 
| Population (2024) | |
| On reserve | 241 | 
| On other land | 5 | 
| Off reserve | 245 | 
| Total population | 491 | 
| Government | |
| Chief | Douglas Neasloss | 
| Tribal Council | |
| Wuikinuxv-Kitasoo-Nuxalk Tribal Council | |
| Website | |
| klemtu | |
The Kitasoo/Xaixais First Nation, also known as the Kitasoo/Xaixais Nation, is the band government of the First Nations people of Klemtu, British Columbia, Canada. The band comprises two ethnic groups who share an ancient alliance, the Kitasoo, a Tsimshian group, and the Xai'xais, a North-Wakashan speaking group. The government is a member of the Oweekeno-Kitasoo-Nuxalk Tribal Council and a member of the Tsimshian First Nations treaty council.