Notable people named John Gray

• John Gray (North Carolina) was a member of the North Carolina General Assembly in the late 18th century.
• John Gray (New Zealand) was a member of the New Zealand Parliament in the mid-19th century
• John Gray (scientist) was a 19th century scientist who first identified the Dusky Dolphin.
• John Gray (American Revolutionary War) is one of the candidates for the last surviving veteran of the American Revolutionary War
• John Gray (playwright) is the Canadian playwright best known for Billy Bishop Goes to War.
• John Gray (poet) was the English poet/aesthete who moved in Oscar Wilde's circle, he later became a priest.
• John Gray (LSE), Professor of European Thought at the London School of Economics, who has written numerous books on political philosophy.
• John Gray (Men are from Mars, Women are from Venus), author of Men are from Mars, Women are from Venus.
• John Gray (director) is an action film director
• John Gray (Canadian politician) - mayor of Oshawa, ON