| Tournament details | |
|---|---|
| Dates | 8 March – 31 May |
| Teams | 8 (from 1 confederation) |
| Final positions | |
| Champions |
|
| Runners-up |
|
| Tournament statistics | |
| Matches played | 14 |
| Goals scored | 46 (3.29 per match) |
| Best player |
|
The 1978 UEFA European Under-21 Championship, which spanned two years (1976–78) had 24 entrants. Yugoslavia U-21s won the competition.
The 24 national teams were divided into eight groups. The group winners played off against each other on a two-legged home-and-away basis until the winner was decided. There was no finals tournament or 3rd-place playoff.
See 1978 UEFA European Under-21 Championship squads