Lyonel \l-yonel, lyo-nel\ as a boy's name is a variant of Lionel (Latin), and the meaning of Lyonel is "lion".
The baby name Lyonel sounds like Leonel, Lyonnel and Lyonelo. Other similar baby names are Lyon, Lyonnell, Lyinell, Lonell, Lionnel, Lionelo, Lionell and Lyons.