European U21 Championship Qual 03/26 17:30 1 [1] Portugal U21 v Croatia U21 [3] L 5-1
European U21 Championship Qual 03/21 18:00 1 [6] Andorra U21 v Croatia U21 [3] W 0-3
European U21 Championship Qual 11/20 10:00 1 [5] Belarus U21 v Croatia U21 [3] W 0-1
U21 International 11/16 16:00 - Slovakia U21 v Croatia U21 D 2-2
European U21 Championship Qual 10/17 15:30 1 [3] Croatia U21 v Belarus U21 [5] W 2-0
European U21 Championship Qual 10/13 14:00 1 [2] Greece U21 v Croatia U21 [6] D 2-2
European U21 Championship Qual 09/12 17:00 1 [2] Faroe Islands U21 v Croatia U21 [6] W 2-4
Europe Friendlies 09/07 16:30 - Slaven Belupo v Croatia U21 D 1-1
European U21 Championship 06/27 18:45 3 [3] Croatia U21 v Romania U21 [4] D 0-0
European U21 Championship 06/24 18:45 2 [1] Spain U21 v Croatia U21 [3] L 1-0
European U21 Championship 06/21 16:00 1 [4] Ukraine U21 v Croatia U21 [1] L 2-0
U21 International 03/28 18:45 - England U21 v Croatia U21 W 1-2
U21 International 03/23 17:00 - Croatia U21 v Israel U21 D 0-0
U21 International 11/21 17:00 - Croatia U21 v Austria U21 D 1-1
U21 International 11/17 17:00 - Croatia U21 v Poland U21 W 3-1
European U21 Championship Qual 09/27 16:00 1 [2] Denmark U21 v Croatia U21 [2] D 6-6
European U21 Championship Qual 09/23 16:00 1 [2] Croatia U21 v Denmark U21 [2] W 2-1
European U21 Championship Qual 06/08 16:00 1 [6] Estonia U21 v Croatia U21 [1] W 0-4
European U21 Championship Qual 06/03 16:00 1 [3] Norway U21 v Croatia U21 [1] L 3-2
European U21 Championship Qual 03/29 16:00 1 [1] Croatia U21 v Finland U21 [4] L 2-3
European U21 Championship Qual 03/25 17:00 1 [1] Croatia U21 v Austria U21 [3] D 0-0
European U21 Championship Qual 11/16 19:30 1 [3] Austria U21 v Croatia U21 [1] W 1-3
European U21 Championship Qual 11/11 17:00 1 [1] Croatia U21 v Estonia U21 [6] W 2-0
European U21 Championship Qual 10/12 16:30 1 [5] Azerbaijan U21 v Croatia U21 [2] W 1-5
European U21 Championship Qual 10/08 16:00 1 [2] Croatia U21 v Norway U21 [1] W 3-2
European U21 Championship Qual 09/07 15:00 1 [2] Finland U21 v Croatia U21 [3] W 0-2
European U21 Championship Qual 09/02 17:00 1 [2] Croatia U21 v Azerbaijan U21 [2] W 2-0
European U21 Championship 05/31 16:00 3 [1] Spain U21 v Croatia U21 [2] L 2-1
European U21 Championship 03/31 16:00 3 [2] Croatia U21 v England U21 [4] L 1-2
European U21 Championship 03/28 16:00 2 [3] Croatia U21 v Switzerland U21 [1] W 3-2

The Croatia national under-21 football team represents Croatia in international football matches for players 21 or under. It is governed by the Croatian Football Federation, the governing body for football in Croatia. It is a member of UEFA in Europe and FIFA in global competitions. The team's colours reference two national symbols: the Croatian checkerboard and the country's tricolour. They are colloquially referred to as the Mladi vatreni ('Young Blazers'). So far, the Mladi vatreni qualified for five UEFA European Under-21 Championships, namely in 2000, 2004, 2019, 2021 and 2023. Croatia was unable to pass the group stage until the 2021 Euro when it was eliminated in the quarter-finals, its greatest accomplishment in the European competition so far.

Croatia U21 is the national youth soccer team of Croatia, consisting of players under the age of 21. The team is a part of the Croatian Football Federation and competes in various international youth tournaments, such as the UEFA European Under-21 Championship.

Croatia U21 is known for producing talented young players who have gone on to represent the senior national team and play for top clubs in Europe. The team is known for its technical ability, tactical awareness, and strong work ethic on the field.

Croatia U21 has a rich history of success in youth competitions, having reached the semi-finals of the UEFA European Under-21 Championship on multiple occasions. The team is seen as a breeding ground for future stars of Croatian soccer and is closely followed by fans and scouts alike.

Overall, Croatia U21 is a competitive and talented team that showcases the bright future of Croatian soccer. With a strong emphasis on player development and success in youth competitions, the team continues to be a force to be reckoned with on the international stage.