| Played For: | Klagenfurter AC HC Salzburg Innsbrucker EV Villacher SV |
| Ntl Team: | AUT |
| Position: | Right wing |
| Height Ft: | 5 |
| Height In: | 7 |
| Weight Lb: | 154 |
| Birth Date: | 10 July 1931 |
| Birth Place: | Pincher Creek, Alberta, Canada |
| Death Place: | Klagenfurt, Austria |
| Career Start: | 1953 |
| Career End: | 1979 |
Adelbert "Del" St. John (October 6, 1931 – December 18, 2009) was a Canadian-Austrian professional ice hockey player.
St. John, a forward, scored 17 goals and 16 assists in 31 games for the Nottingham Panthers of the British National League.
He played the 1958-9 season in Serie A in Italy with HC Bolzano, and he played the 1960-61 season in Austria for Klagenfurter AC.
St. John competed as a member of the Austria men's national ice hockey team at the 1964 and 1968 Winter Olympic Games.[1]