Namesakes
Bjarni Herjólfsson
(m) 9xx-c. 1000 
Notable Explorers and Adventurers
Bjarni Benediktsson
(m) 1908-1970
Icelandic Presidents and Prime Ministers 1963-1970 (prime minister)
Bjarni Benediktsson
(m) 1970-
Icelandic Presidents and Prime Ministers 2017; 2024- (prime minister)