Namesakes
Notable Actors and Entertainers:
1 actor, 1 actor/comedian
Griffith Jones 1909-2007 
Griff Rhys Jones 1953-
Notable Writers:
1 author
Jack London (a.k.a. Griffith) 1876-1916
Olympic Medalists:
1 gold
(gold) John Davies (a.k.a. Griffith) 1952 swimming - 200 m breaststroke
Shakespearian Characters:
1 character
Griffith Henry VIII