John Cashman

• John Cashman , American basketball coach active in 1920s
• John Cashman, Irish hurler for Blackrock and Cork
• John Cashman, Irish hurler for Blackrock and Cork
• John Cashman , American war correspondent killed in a plane crash
• John Cashman , American rower
• John E. Cashman, Boeing 777 chief test pilot
• John E. Cashman, Wisconsin politician