John Lyon, 4th Lord Glamis

John Lyon, 4th Lord Glamis (d.1500), son of John Lyon, 3rd Lord Glamis was a Scottish nobleman. He married Elizabeth Gray, the daughter of Andrew, Lord Gray. They had two children:

• George Lyon (d.1505) who succeeded his father as Lord Glamis
• John Lyon, who succeeded his brother as 6th Lord of Glamis