Namesakes
Eurovision Song Contest Winners:
1 winner
Björn Ulvaeus 1974 Sweden 
Icelandic Presidents and Prime Ministers:
2 prime ministers
(prime minister) Björn Jónsson 1909-1911
(prime minister) Björn Þórðarson 1942-1944
Notable Athletes:
1 skiing, 1 tennis
(tennis) Björn Borg 1956-
(skiing) Bjørn Dæhlie 1967-
Notable Musicians:
1 musician
Björn Ulvaeus 1945-
Olympic Medalists:
2 bronze, 2 silver, 1 gold, 1 gold/silver
(silver) Bjørn Paulson 1948 high jump
(bronze) Ricky Bruch (a.k.a. Björn) 1972 discus throw
(bronze) Björn Zikarsky 1996 swimming - 4x100 m freestyle relay
(gold/silver) Bjørn Dæhlie 1992; 1994; 1998 cross-country skiing
(gold) Björn Ferry 2010 biathlon
(silver) Björn Otto 2012 pole vault
Rock and Roll Hall-of-Famers:
1 musician
Björn Ulvaeus 2010 ABBA