John McQuaid

• John McQuaid (college president), past president of Saint Peter's College, New Jersey
• John McQuaid (cyclist), a bicyclist who competed in the Cycling at the [1988 Summer Olympics - Men's individual road race|Men's Individual Road Race] at the 1988 Summer Olympics
• John A. McQuaid, a justice of the Supreme Court of Prince Edward Island
• John Charles McQuaid, Archbishop of Dublin