Manumataongo is a name. Notable people with the name include:
Taufaʻahau Manumataongo (born 2013), Tongan royal Siaosi Tāufaʻāhau Manumataongo Tukuʻaho Tupou (1948–2012), King of Tonga Siaosi Manumataongo ʻAlaivahamamaʻo ʻAhoʻeitu Konstantin Tukuʻaho (born 1985), crown prince of Tonga