Lwanga is a surname. Notable people with the surname include:
Anthony Lwanga (born 1972), Kenyan footballer Charles Lwanga (1860–1886), Ugandan convert to the Catholic Church Cyprian Kizito Lwanga (1953–2021), Ugandan prelate Elizabeth Lwanga, Ugandan activist Jonah Lwanga (1945–2021), Ugandan prelate Jimmy Lwanga, Ugandan politician Taddeo Lwanga (born 1994), Ugandan footballer