The Joe Byrne Trophy was awarded to the Newfoundland and Labrador Junior "B" champion in 1991 and 1992. There was a Newfoundland Junior B championship contested during the 1970s, as well.
Champions[]
- 1973 Eastern F: St. John's Brickbats beat Conception Bay North Stars 2:0 on series, SF: St. John's Brickbats beat Bay St. George Huskies by default, F: St. John's Brickbats - Labrador City All-Stars 3:0 on series (7:3, 7:4 stopped in second period due to fight among players and spectators, 14:2, 14:0 called after 2 periods upon mutual agreement)
- 1977 Western F: Corner Brook All-Stars beat Deer Lake 2 games to none, F: St. John's East beat Corner Brook All-Stars 13 goals to 12 (8:5, 5:7)
- 1991 Grand Falls Cataracts
- 1992 St. John's Junior 50's