Adelbert St. John (October 6, 1931 – December 18, 2009) was a Canadian-Austrian professional ice hockey player of the 1950s and 60s.
St. John, a forward, scored 17 goals and 16 assists in 31 games for the Nottingham Panthers of the British National League.
St. John played the 1958-9 season in Serie A in Italy with HC Bolzano. He played the 1960-61 season in Austria for Klagenfurther AC.