Inka Wasi or Inkawasi (Quechua Inka Inca, wasi house, "Inca house", Hispanicized spellings Inca Huasi, Incahuasi, Incaguasi) may refer to:
- Incahuasi, a volcano on the border between Argentina and Chile
- Cerro Incahuasi, a mountain in Chile
- Cerros de Incahuasi, a mountain in the Antofagasta Region, Chile
- Incahuasi District or Inkawasi, a district in the Lambayeque Region, Peru
- Inka Wasi (Apurímac), a mountain in the Apurímac Region, Peru
- Inka Wasi, Ayacucho, an archaeological site in Ayacucho Region, Peru
- Inka Wasi (Bolivia), a mountain in the Chuquisaca Department, Bolivia
- Inka Wasi, Huancavelica, an archaeological site in Huancavelica Region, Peru
- Inka Wasi, Lima, an archaeological site in Lima Region, Peru
- Inka Wasi (Lucanas), a mountain in the Lucanas Province, Ayacucho Region, Peru
- Inka Wasi River, a river in Bolivia
- Inkawasi District, a district in the Cusco Region, Peru
- Isla Incahuasi, a rock in Salar de Uyuni, Bolivia
- Inca Huasi (ancient lake), an ancient lake in Bolivia