Tupu may refer to:
People Lani Tupu, New Zealand actor Tania Tupu (born 1973), New Zealand basketball player Tupu Atanatiu Taingakawa Te Waharoa (1844–1929), New Zealand tribal leader Tupu Ulufale (born 1987), Samoan rugby league football player
Other Tupu (TV series) Tupu (pin), an Andean shawl fastener , Incan unit of length