Tonga may refer to five different languages:
ton), a Polynesian language spoken in Tonga in the South Pacifictoi), a Bantu language spoken in Zambia and Zimbabwetog), a dialect of Chitumbuka (Tumbuka) language spoken in Nkhata Bay District in Malawitoh), a Bantu language spoken in Mozambiquetnz), a Mon-Khmer language spoken in Thailand and Malaysia