The Samoa under-20 rugby union team is Samoa's junior national team. They represent Samoa at the IRB Junior World Championship. After the 2010 Junior World Championship they were relegated to the Junior World Rugby Trophy for second tier nations. They were later promoted to the 2012 Junior World Championship after finishing as winners of the 2011 IRB Junior World Rugby Trophy. The team also competes at the Oceania U20 Championship as of 2015.

The Samoa U20 rugby union team is the national under-20 team representing Samoa in international rugby competitions. Comprised of talented young players, the team is known for their physicality, skill, and passion for the game. They compete in the World Rugby U20 Championship and other international tournaments, showcasing the future stars of Samoan rugby. With a rich rugby heritage and a strong emphasis on teamwork and discipline, the Samoa U20 team is a force to be reckoned with on the global rugby stage.