Namesakes
Llewellyn Evans
(m) 1876-1951 
Olympic Medalists 1908 field hockey (bronze)
John Davies
(middle name Llewellyn) (m) 1938-2003
Olympic Medalists 1964 1500 m (bronze)
Ruth Madoc
(middle name Llewellyn) (f) 1943-2022
Notable Actors and Entertainers (actor)
Llewellyn Herbert
(m) 1977-
Olympic Medalists 2000 400 m hurdles (bronze)
Mac Taylor
(middle name Llewellyn) (m)
Fictional Characters from Television 2004 CSI: NY