Greg Brady (a.k.a. Gregory)
1969; 1990 The Brady Bunch; The Bradys

Greg Medavoy (a.k.a. Gregory)
1993 NYPD Blue

Greg Pratt (a.k.a. Gregory)
1994 ER

Greg Montgomery (a.k.a. Gregory)
1997 Dharma & Greg

David Phillips (a.k.a. Gregory)
2000 CSI: Crime Scene Investigation

Greg Sanders (a.k.a. Gregory)
2000 CSI: Crime Scene Investigation

Gregory House
2004 House

(tennis) Greg Rusedski (a.k.a. Gregory)
1973- 
(rugby) Kane Thompson (a.k.a. Gregory)
1982- 
(rugby) Greg Holmes (a.k.a. Gregory)
1983- 
(soccer) Medhi Lacen (a.k.a. Gregory)
1984- 
(soccer) Gregory van der Wiel
1988- 
(football) Greg Hardy (a.k.a. Gregory)
1988- 
(rugby) Greg Peterson (a.k.a. Gregory)
1991- 
(gold) Greg Bell (a.k.a. Gregory)
1956 long jump

(silver) Gregory Buckingham
1968 swimming - 200 m medley

(bronze/silver) Gregory Rogers
1968 swimming - 4x100 m freestyle relay; swimming - 4x200 m freestyle relay

(bronze) Gregory 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) Gregory Joy
1976 high jump

(gold) Phil Hubbard (a.k.a. Gregory)
1976 basketball

(silver) Gregory Foster
1984 110 m hurdles

(silver) Gregory Fasala
1984 swimming - 4x100 m freestyle relay

(silver) Gregory Meghoo
1984 4x100 m relay

(silver) Greg Boyer (a.k.a. Gregory)
1988 water polo

(silver/gold) Gregory Louganis
1976; 1984; 1988 diving - platform; diving - springboard

(silver) Gregory Burgess
1992 swimming - 200 m medley

(silver) Grégory Mallet
2008; 2012 swimming

(silver) Grégory Baugé
2008; 2012 cycling - track

(gold) Greg Rutherford (a.k.a. Gregory)
2012 long jump

Saint Gregory Thaumaturgus
?-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 
Blessed Hryhoriy Lakota (a.k.a. Gregory)
1883-1950 
Saint Gregorio Grassi (a.k.a. Gregory)
?-1900 