Sopoaga is a surname. Notable people with the surname include:
Enele Sopoaga (born 1956), Tuvaluan diplomat and politician Sopoaga Ministry Fa’afetai Sopoaga, Samoan-New Zealand Pacific public health researcher Isaac Sopoaga (born 1981), Samoan-born American football player Lima Sopoaga (born 1991), rugby union player Saufatu Sopoanga (1952–2020), Tuvaluan politician Tupou Sopoaga (born 1992), New Zealand professional rugby union player