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.

In 2019 Booth broke the New Zealand indoor Heptathlon record in Fayetteville with a score of 5819 points.

Booth then placed 6th at the NCAA Outdoor championships with a PB score of 7680 points.

After a Covid interrupted season in 2020 Booth, representing Long Beach State University in California, won the 2021 Big West Outdoor Conference Championships (7520pts) [1] and at the NCAA Championships he broke the school record with a score of 7644pts,[2] which placed 6th overall.