John Balliol
(a.k.a. Iain) (m)
c. 1249-1314 
Scottish Kings and Queens 1292-1296
Richard Wilson
(a.k.a. Iain) (m)
1936- 
Notable Actors and Entertainers (actor)
Iain Glen
(m)
1961- 
Notable Actors and Entertainers (actor)
Jason Flemyng
(middle name Iain) (m)
1966- 
Notable Actors and Entertainers (actor)
Iain Percy
(m)
1976- 
Olympic Medalists 2000; 2008; 2012 sailing (gold/silver)
Iain De Caestecker
(m)
1987- 
Notable Actors and Entertainers (actor)
Iain Jensen
(m)
1988- 
Olympic Medalists 2012 sailing (gold)
Iain Henderson
(m)
1992- 
Iain Armitage
(m)
2008- 
Notable Actors and Entertainers (actor)