Namesakes
John Balliol
(a.k.a. Iain) (m) c. 1249-1314 
Scottish Kings and Queens 1292-1296
Iain Glen
(m) 1961-
Notable Actors and Entertainers (actor)
Jason Flemyng
(a.k.a. Iain) (m) 1966-
Notable Actors and Entertainers (actor)
Iain Percy
(m) 1976-
Olympic Medalists 2000; 2008; 2012 sailing (gold/silver)
Iain Jensen
(m) 1988-
Olympic Medalists 2012 sailing (gold)
Iain Henderson
(m) 1992-
Notable Athletes (rugby)
Iain Armitage
(m) 2008-
Notable Actors and Entertainers (actor)