The 2010 IRB Junior World Rugby Trophy was the third IRB Junior World Rugby Trophy, a second-tier rugby union world championship for Under-20 national teams. The event was organised by rugby's governing body, the International Rugby Board (IRB). This competition, which contested by eight men's junior national teams and was held in Moscow, Russia from May 18 to May 30.

Venues

Pools

Pool A

!width="200"|Team !width="20"|Pld !width="20"|W !width="20"|D !width="20"|L !width="20"|TF !width="20"|PF !width="20"|PA !width="25"|+/- !width="20"|BP !width="20"|Pts All match times are Moscow Time (UTC+3).

Pool B

!width="200"|Team !width="20"|Pld !width="20"|W !width="20"|D !width="20"|L !width="20"|TF !width="20"|PF !width="20"|PA !width="25"|+/- !width="20"|BP !width="20"|Pts All match times are Moscow Time (UTC+3).

Playoffs

7th place play-off

5th place play-off

3rd place play-off

Final