Namesakes
Sir Yvain
(a.k.a. Owain) (m) 
Arthurian Characters
Owain Glyndŵr
(m) c. 1354-c. 1415
Other Royalty 1400-c. 1415 Wales (prince)
Shakespearian Characters (Owen Glendower) Henry IV (1)
Rhys Ifans
(middle name Owain) (m) 1967-
Notable Actors and Entertainers (actor)
Owain Yeoman
(m) 1978-
Notable Actors and Entertainers (actor)
Owain Fôn Williams
(m) 1987-
Notable Athletes (soccer)