John Melvin

John Melvin may refer to:

• John Melvin (architect) – British architect, town planner, and author
• John Melvin (engineer) (1938–2014) – automotive safety engineer for General Motors and NASCAR
• John Melvin (naval officer) (1887–1917) – first American naval officer to die in World War I
• John Melvin (rower) – British lightweight rower