The 2017 World Rugby U20 Trophy was the tenth annual international rugby union competition for Under 20 national teams, second-tier world championship.
The event was held at the Estadio Charrúa in Montevideo and Estadio Domingo Burgueño in Maldonado, Uruguay from 29 August until 10 September and was organized by rugby's governing body, World Rugby.
A total of 8 teams played in the tournament. The host (Uruguay) and the Junior World Cup relegation country (Japan) qualified automatically. The remaining six countries competed through a qualification process in regional competitions (North America, South America, Europe, Africa, Asia, Oceania).