The Six Nations Under 20s Championship is an international rugby union tournament. It is the under 20s equivalent of the Six Nations Championship. Originally the tournament was in an under 21 format but changed to under 20s in 2008. England were the inaugural winners and they have gone on to be the tournaments most successful team, winning six titles. The tournament is played annually during February and March on the same weekends as the senior Six Nations and the Women's Six Nations Championship.
