The 2021 Men's Junior Pan American Championship was the 12th edition of the Men's Pan American Junior Championship, the men's international under-21 field hockey championship of the Americas organized by the Pan American Hockey Federation.
The tournament was held alongside the women's tournament at the Prince of Wales Country Club in Santiago, Chile and was originally scheduled to take place from 30 November to 13 December 2020. On 29 May 2020 the Pan American Hockey Federation announced that the tournament was rescheduled and would take place from 12 to 25 April 2021. Later on 15 January, it was announced that the competition would take place from 21 to 28 August 2021.
Argentina were the defending champions, winning the 2016 edition. This tournament served as the Pan American qualifier for the 2021 FIH Junior World Cup, with the finalists qualifying.
The following awards were given at the conclusion of the tournament.