Royall \ro-yall, roya-ll\ as a boy's name (also used as girl's name Royall), is a variant of Royal (English), and the meaning of Royall is "royal".
The baby name Royall sounds like Royale, Rowell and Royle. Other similar baby names are Loyall, Lyall, Loyal, Rodell, Royan, Ronell and Ronal.