The United States national under-20 rugby union team, for sponsorship reasons known as the AIG Men's Junior All-Americans,[1] is the United States' junior rugby team at the national level.

The U-20 team has competed at the IRB Junior World Championship and at several IRB Junior World Rugby Trophy tournaments.

[2] With the decision by the International Rugby Board to merge their U19 and Under 21 Rugby World Championships to form the IRB Junior World Championship for U20 players effective as of the 2008 season, the team evolved into a U20 team to participate in the new competitions.

The United States won the 2012 IRB Junior World Rugby Trophy under head coach Scott Lawrence.

Match day squad for the 2023 World Rugby U20 Trophy qualifier against Canada.