(golf) Greg Norman
1955-
(diving) Gregory Louganis
1960-
(cricket) Merv Hughes (a.k.a. Gregory)
1961-
(ice hockey) Steve Yzerman (a.k.a. Gregory)
1965-
(baseball) Greg Maddux
1966-
(tennis) Greg Rusedski
1973-
(rugby) Greg Holmes
1983-
(soccer) Medhi Lacen (a.k.a. Gregory)
1984-
(soccer) Gregory van der Wiel
1988-
(football) Greg Hardy
1988-
(gold) Greg Bell
1956 long jump
(silver) Greg Buckingham
1968 swimming - 200 m medley
(bronze/silver) Greg Rogers
1968 swimming - 4x100 m freestyle relay; swimming - 4x200 m freestyle relay
(bronze) Greg Brough
1968 swimming - 1500 m freestyle
(bronze) Brian Job (a.k.a. Gregory)
1968 swimming - 200 m breaststroke
(bronze) Peter Asch (a.k.a. Gregory)
1972 water polo
(silver) Greg Joy
1976 high jump
(gold) Phil Hubbard (a.k.a. Gregory)
1976 basketball
(silver) Greg Foster
1984 110 m hurdles
(silver/gold) Gregory Louganis
1976; 1984; 1988 diving - platform; diving - springboard
(silver) Greg Fasala
1984 swimming - 4x100 m freestyle relay
(silver) Greg Meghoo
1984 4x100 m relay
(silver) Greg Boyer
1988 water polo
(silver) Greg Burgess
1992 swimming - 200 m medley
(bronze) Greg Haughton
1996; 2000 4x400 m relay; 400 m
(silver) Grégory Mallet
2008; 2012 swimming
(silver) Grégory Baugé
2008; 2012 cycling - track
(gold/bronze) Greg Rutherford
2012; 2016 long jump
Saint Gregory Thaumaturgus
213-270
Saint Gregory of Nazianzus
329-389
Saint Gregory the Enlightener
?-330
Saint Gregory of Nyssa
335-395
Saint Gregory of Tours
c. 538-594
Saint Gregory
?-539
Saint Gregory the Great
c. 540-604
Saint Gregory
?-603
Saint Gregory II
669-731
Saint Gregory of Utrecht
703-776
Saint Gregory III
?-741
Saint Grigol of Khandzta (a.k.a. Gregory)
759-861
Saint Gregory VII
c. 1020-1085
Saint Gregory
?-1044
Blessed Gregory X
1210-1276
Blessed Gregorio of Verucchio (a.k.a. Gregory)
1225-1343
Saint Gregory of Tragurio
?-1369
Saint Gregorio Barbarigo (a.k.a. Gregory)
1625-1697