Armand Gustav "Mondo" Duplantis ˈɡɵ̂sːtav dɵˈplânːtɪs]; born 10 November 1999) is a Swedish and American pole vaulter who competes for Sweden. Duplantis holds the pole vaulting world record (6.30 m; 20 ft 8 in) and is the winner of eight senior global titles. He is a two-time Olympic (2020 and 2024) champion, a three-time World outdoor (2022, 2023 and 2025) champion and a three-time World indoor (2022, 2024 and 2025) champion.
Born and raised in Lafayette, Louisiana, Duplantis won titles as a 15-year-old at the 2015 World Youth Championships. A year later, he placed third at the World U20 Championships. In 2017, he took the European U20 title, and the following year, World U20 title.