Sione Tuitupu Lauaki (22 June 1981 – 12 February 2017) was a Tongan-born New Zealand rugby union footballer who played for Bayonne.

His brother, Epalahame Lauaki, is a 2nd row rugby league footballer previously playing for Auckland Warriors in the NRL competition.

[1] He was the fourth All Black to come from the Waitemata club after Adrian Clarke, Ken Carrington and Michael Jones.

While playing for the combined Pacific Islanders team in 2004 he scored test match tries against Australia, New Zealand and South Africa.

[1] He was one of the two Pacific Islanders rugby union team players picked for the All Blacks, the other being winger, Sitiveni Sivivatu.