1978 European Athletics Championships – Men's decathlon

The men's decathlon at the 1978 European Athletics Championships was held in Prague, then Czechoslovakia, at Stadion Evžena Rošického on 30 and 31 August 1978.

Final
30/31 August {{legend|#F2F5A9|The highest mark recorded in each event is highlighted in yellow|border=solid 1px #AAAAAA}}

Participation
According to an unofficial count, 24 athletes from 13 countries participated in the event.


 * 🇦🇹 austria (2)
 * 🇧🇬 bulgaria (1)
 * undefined (2)
 * undefined (3)
 * 🇫🇮 finland (2)
 * 🇫🇷 france (2)
 * 🇭🇺 hungary (1)
 * 🇮🇸 iceland (1)
 * undefined (3)
 * 🇸🇪 sweden (2)
 * undefined (1)
 * 🇬🇧 united kingdom (1)
 * undefined (3)