The GAA Hurling All-Ireland Under-20 (previously Under-21) B Championship, the second tier competition in hurling is an annual series of games for male players under the age of 20 and is organized by the Gaelic Athletic Association (GAA).

The final is currently played in April or May and the winning county receives the Richie McElligott Cup, which is named in honour of the late great Kerry stalwart Richie McElligott of the Lixnaw club and was first presented in 2015.

The championship is played on a straight knockout basis whereby once a team loses they are eliminated.

Down are the current holders having beaten Roscommon in the 2024 final at Croke Park in Dublin, on a 0-20 to 0-11 scoreline.

The GAA Hurling All-Ireland Under-20 B Championship features eight teams in the final tournament.