Lyonel is a given name. Notable people with the name include:

• Lyonel Feininger (1871–1956), German-American painter and caricaturist
• Lyonel Laurenceau (born 1942), Haitian painter
• Lyonel Power (c. 1375-1445), English composer
• Lyonel Thomas Senter Jr. (born 1933), United States federal judge

• Henry of Huntington
• Henry of Kalden
• Henry of Kalkar
• Henry of Langenstein
• Henry of lausanne
• Henry of Lexington
• Henry of Lund
• Henry of Lusignan
• Henry of Luxembourg
• Henry of Malines
• Henry of Marcy
• Henry of Masovia
• Henry of Molenark
• Henry of Montecaglioso
• Henry of Montescaglioso
• Henry of Morungen
• Henry of Nassau
• Henry of Nassau-Dillenburg
• Henry of navarre
• Henry Of Navarre
• Henry of Navarre (horse)
• Henry of Newark
• Henry of Ostmark
• Henry of Poitiers
• Henry of Prussia