Roy Nelson

Roy Nelson may refer to:


 * Roy Nelson (fighter) (born 1976), American mixed martial artist
 * Roy Nelson (cartoonist) (1905–1956), American cartoonist and caricaturist
 * Roy Edgar Nelson (1925–2012), Canadian politician
 * John Doyle (comedian) (born 1953), who uses the pseudonym Roy Nelson, member of the comedy duo Roy and HG