(gold) Arnold Jackson
1912 1500 m 
(bronze/silver/gold) Clas Thunberg (a.k.a. Arnold)
1924; 1928 speed skating 
(silver) Maxwell Deacon (a.k.a. Arnold)
1936 ice hockey 
(bronze) Arnold Vanderlyde
1984; 1988; 1992 boxing 
(gold/bronze/silver) Bronte Barratt (a.k.a. Arnold)
2008; 2012 swimming 