Piri Awahou Tihou Weepu (born 7 September 1983) is a New Zealand former rugby union player.
Weepu plays for Wairarapa Bush in the Heartland Championship.
Generally Weepu plays as a half-back but has also been known to play in the fly-half position.
He has represented the New Zealand national side, the All Blacks.
He first won national honours against Wales in 2004.
In 2005 was called back into the All Blacks squad for the first Tri Nations test against South Africa, having missed selection for the 2005 British and Irish Lions tour.
He is the brother of former rugby league professional Billy Weepu.
In October 2017, Weepu announced his retirement as a rugby player.