(tennis) Justin Gimelstob
1977-
(golf) Justin Rose
1980-
(baseball) Justin Morneau
1981-
(track) Justin Gatlin
1982-
(baseball) Justin Verlander
1983-
(rugby) Liam Messam (middle name Justin)
1984-
(basketball) Justin Holiday
1989-
(rugby) Justin Tipuric
1989-
(soccer) Justin Bijlow
1998-
(soccer) Justin Kluivert
1999-
(bronze) Justin Lemberg
1984 swimming - 400 m freestyle
(gold) Justin Huish
1996 archery - individual; archery - team
(bronze) Justin Norris
2000 swimming - 200 m butterfly
(gold/bronze/silver) Justin Gatlin
2004; 2012; 2016 200 m; 4x100 m relay; 100 m
(gold) Justin Rose
2016 golf