Roydon \ro(y)-don\ as a boy's name is a variant of Royden (Old English), and the meaning of Roydon is "rye hill".
The baby name Roydon sounds like Raydon, Rowdon and Roydan. Other similar baby names are Bordon, Corydon, Croydon, Fordon, Gordon, Haydon, Jaydon, Jordon, Kaydon, Caydon, Raymon, Randon, Royan, Roldan, Royston, Ryon and Ryden.