Lyonnell \lyo-nne-ll\ as a boy's name is a variant of Lionel (Latin), and the meaning of Lyonnell is "lion".

The baby name Lyonnell sounds like Lyonnello, Lyonnel, Lonnell and Lionnell. Other similar baby names are Lennell, Lyonelo, Lyinell, Lyonel, Lonell, Lionnello, Lionnel, Lionell and Lornell.