John Tafi (born ~2003) is a Samoan Weightlifter who has represented Samoa at the Pacific Games and Commonwealth Games. Tafi is from Lotopa on Upolu. At the 2019 Pacific Games, Oceania & Commonwealth Championships in Apia he won 2 gold, 2 silver, and 9 bronze medals. He set a new Oceania record in the 73 kg division at the 2021 Oceania Weightlifting Championships, with a snatch of 136 kg. At the 2022 Oceania Junior Championships he broke another three records, with a snatch of 133 kg, jerk of 165 kg, and total of 298 kg.