Jonathan Poff (born 27 September 1983 in Christchurch, New Zealand) was a rugby union player who played for the London Wasps in the Aviva Premiership.

Prior to joining Wasps, he played for Tasman in the ITM Cup competition in New Zealand and represented the Crusaders in Super Rugby.

His first start was against the Lions in South Africa when he played the full eighty minutes.

It was announced on 18 May 2011 that Poff was joining Aviva Premiership side London Wasps for the 2011–12 season where, on debut, he secured the man of the match award in the 20–15 victory over Saracens F.C.

This biographical article relating to New Zealand rugby union, about a person born in the 1980s, is a stub.