European U21 Championship 03/25 20:00 1 [2] Portugal U21 v Croatia U21 [2] L 1-0
European U21 Championship Qual 11/17 16:00 1 [3] Croatia U21 v Lithuania U21 [5] W 7-0
European U21 Championship Qual 11/12 15:00 1 [2] Scotland U21 v Croatia U21 [3] D 2-2
European U21 Championship Qual 10/13 14:00 1 [4] Greece U21 v Croatia U21 [3] W 0-1
European U21 Championship Qual 10/08 16:00 1 [4] Croatia U21 v San Marino U21 [6] W 10-0
European U21 Championship Qual 09/07 16:00 1 [1] Czech Rep U21 v Croatia U21 [3] D 0-0
European U21 Championship Qual 09/03 17:00 1 [4] Croatia U21 v Greece U21 [2] W 5-0
European U21 Championship Qual 11/18 17:00 1 [4] Croatia U21 v Czech Rep U21 [2] L 1-2
European U21 Championship Qual 11/14 16:30 1 [4] Lithuania U21 v Croatia U21 [5] W 1-3
European U21 Championship Qual 10/14 17:00 1 [6] San Marino U21 v Croatia U21 [5] W 0-7
U21 International 10/11 18:00 - Hungary U20 v Croatia U21 W 1-4
European U21 Championship Qual 09/10 18:00 1 [5] Croatia U21 v Scotland U21 [3] L 1-2
U23 International 09/05 18:00 - Croatia U21 v UAE U23 W 3-0
European U21 Championship 06/24 19:00 3 [4] Croatia U21 v England U21 [3] D 3-3
European U21 Championship 06/21 19:00 2 [2] France U21 v Croatia U21 [4] L 1-0
European U21 Championship 06/18 16:30 1 [4] Romania U21 v Croatia U21 [1] L 4-1
U21 International 06/12 16:30 - Croatia U21 v Denmark U21 W 1-0
Friendlies 06/06 16:00 - NK Crikvenica v Croatia U21 W 0-7
U21 International 03/25 17:30 - Italy U21 v Croatia U21 D 2-2
U21 International 03/22 18:00 - Switzerland U21 v Croatia U21 L 4-1
U21 International 11/15 17:45 1 France U21 v Croatia U21 D 2-2
European U21 Championship Qual 10/15 16:30 1 [6] San Marino U21 v Croatia U21 [1] W 0-4
European U21 Championship Qual 10/12 16:00 1 [2] Croatia U21 v Greece U21 [1] W 2-0
European U21 Championship Qual 09/10 16:00 1 [4] Belarus U21 v Croatia U21 [2] W 0-4
European U21 Championship Qual 03/27 14:30 1 [2] Croatia U21 v Moldova U21 [5] W 4-0
European U21 Championship Qual 03/23 15:00 1 [4] Czech Rep U21 v Croatia U21 [2] L 2-1
European U21 Championship Qual 11/13 14:30 1 [1] Greece U21 v Croatia U21 [2] D 1-1
European U21 Championship Qual 11/08 13:00 1 [2] Croatia U21 v San Marino U21 [6] W 5-0
European U21 Championship Qual 10/09 16:00 1 [2] Croatia U21 v Czech Rep U21 [5] W 5-1
European U21 Championship Qual 10/05 16:00 1 [3] Croatia U21 v Belarus U21 [2] W 2-1

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.