David Lyon

David Lyon may refer to:


 * Dave Lyon (footballer, born 1948) (1948–2019), English football forward
 * Dave Lyon (footballer, born 1951) (1951–1999), English football defender
 * Dave Lyon (track coach) (1938–2013), Canadian track and field coach
 * David Lyon (actor) (1941–2013), British actor
 * David Lyon (cricketer) (born 1943), English cricketer
 * David Lyon (designer) (born 1968), car designer
 * David Lyon (rugby) (born 1965), English rugby league and rugby union player
 * David Lyon (sociologist) (born 1948), professor of sociology at Queen's University, Kingston, Ontario
 * David Lyon (British politician) (1794–1872), West India merchant, Member of Parliament and landowner
 * David Gordon Lyon (1852–1922), American theologian
 * David Murray Lyon (1888–1956), British physician and medical author
 * David Bowes-Lyon (1902–1961), brother of Elizabeth Bowes-Lyon, the Queen Mother
 * David Murray-Lyon (1890–1975), officer in the Indian Army
 * David Lyon (Nigerian politician) (born 1970), disqualified governor-elect of Bayelsa State