| Croatia U18 | |
| Nickname: | Croatian: Mladi [[Croatian national football team|Vatreni]] (The Young Blazers) |
| Badge Size: | 175px |
| Association: | Croatian Football Federation (HNS) |
| Confederation: | UEFA (Europe) |
| Coach: | Robert Jarni |
| Captain: | Luka Vrbančić |
| Most Caps: | Franko Andrijašević (12) |
| Top Scorer: | Marko Dugandžić (6) |
| Fifa Trigramme: | CRO |
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| First Game: | 1–0 (Samobor, Croatia; 22 April 1993) |
| Largest Win: | 0–4 (Tolisa, Bosnia and Herzegovina; 20 May 2003) |
| Largest Loss: | 4–0 (Salerno, Italy; 11 June 2004) |
The Croatia national under-18 football team represents Croatia in international football matches for players aged 18 or younger. It is governed by the Croatian Football Federation, the governing body for football in Croatia. 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').
The following is a list of match results in the last 12 months, as well as any future matches that have been scheduled.
The following is the squad named for the friendly tournament played in Umag in Croatia, from 11 to 17 October 2023.[1]
The following players have been called up to the squad in the last 12 months.