The Ireland U20 rugby union team is the national under-20 rugby union team of Ireland. The team is made up of the best young rugby players in the country, who are all under the age of 20. The team competes in the annual Six Nations Under 20s Championship, as well as the World Rugby Under 20 Championship.

The Ireland U20 team is known for its strong and physical style of play, with a focus on powerful forward play and a dynamic backline. The team is coached by a team of experienced coaches, who work to develop the players' skills and tactics.

The team has a proud history of success, having won the Six Nations Under 20s Championship on three occasions, in 2007, 2010, and 2019. The team has also reached the final of the World Rugby Under 20 Championship on two occasions, in 2016 and 2019.

The Ireland U20 team is seen as a key stepping stone for young players looking to make the step up to the senior Ireland rugby team. Many of the country's top players have come through the U20 system, including current Ireland captain Johnny Sexton.