Waka Joseph Nathan (born 8 July 1940) is a retired New Zealand rugby union player.
He was born in Auckland and was educated in Otahuhu College and was a member of the school's first fifteen.
He played for Auckland domestically, for whom he made 88 appearances and scored 51 points.
The Auckland RFU pre-season club cup is named in his honour.
He first played for the New Zealand Maori and then the All Blacks from 1962 to 1967, as a breakaway.
During his All Blacks career, he was on tour to Australia, the British Isles and South Africa.
After his retirement from playing, he has been a selector and manager of the New Zealand Maori.