Tua may refer to:
Tua River, a river in Portugal
Tua (Papua New Guinea), a river in Papua New Guinea
Tuʻa, also known as Alo, a chiefdom in Wallis and Futuna in Oceania
Tua line, a railway line in Portugal
Tua railway station, in Portugal
David Tua (born 1972), Samoan-New Zealand boxer
Tua Forsström (born 1947), Finnish Swedish-language writer
Tua Tagovailoa (born 1998), American football quarterback
"Tua", the Māori language version of the song Bigger by Stan Walker
