The 2004 UEFA European Under-19 Championship qualifying competition was a men's under-19 football competition played in 2003 and 2004 to determine the seven teams joining Switzerland, who qualified automatically as hosts, in the 2004 UEFA European Under-19 Championship final tournament.
The first qualifying round saw 25 teams (12 group winners, 12 group runners-up and the third-placed team that performed best against the numbers 1 and 2 of its group) qualify for the second qualifying round.
The following teams received a bye for this round:
<onlyinclude></onlyinclude> All matches were played in Northern Ireland. This group brought forth the best third placed team. Hungary performed best against group winners and runners-up Slovenia and Romania, achieving 3 points and a goal difference of +2 (4-2).