Grantley Herbert Adams
1st Prime Minister of Barbados
Grantley Jonathan "Grant" Nicholas
Welsh musician of rock band Feeder
Grantley Evan "Grant" Marshall aka Daddy G
English musician of group Massive Attack
(George Charles) Grantley Fitzhardinge Berkeley
English politician
Grantley Craig Fielke
Australian rules footballer
Grantley Thomas Smart Goulding
English Olympic hurdler