Quintin is a form of Quentin, from the Roman name Quintinus, a derivative of Quintus meaning "fifth", once given to a fifth son or a child born in the fifth month. Saint Quentin, a Roman missionary martyred in Gaul, gave his name to the French town of Saint-Quentin. Quintin ranked number 570 in 2000, peaked at number 568 in 2004 and has drifted down to number 1899 in 2025.