Nyiha (Nyixa, Nyika) is a Bantu language primarily spoken in Tanzania and Zambia. The language of the 10,000 speakers in Malawi is different enough to sometimes be considered a distinct language.
References
External links University of Malawi Language Mapping Survey (2006) Contains comparative vocabulary and a short text in Malawian Nyika. Krüger et al. (2009) "A Sociolinguistic Survey of the Nyiha and Nyika language communities in Tanzania, Zambia and Malawi"