Aaron James Booth (born 12 September 1996) is a New Zealand decathlete who won the gold medal in that event at the 2019 Summer Universiade. Booth has represented New Zealand at youth and senior level at the Oceania Championships in Tahiti and Cairns, and at senior level at the World University Games in South Korea, Taipei and Napoli.He was the 2013 Oceania Octathlon Champion, the 2014 New Zealand Under 20 Decathlon Champion, and the 2015 Australian Under 20 Decathlon Champion. His best decathlon score of 7827pts, at Napoli ranks him fourth on the New Zealand decathlon "all time" list.