Hérouville-en-Vexin (French pronunciation: [eʁuvil ɑ̃ vɛksɛ̃], literally Hérouville in Vexin; before 2017: Hérouville) is a commune in the Val-d'Oise department in Île-de-France in northern France.

See also

• Château d'Hérouville
• Communes of the Val-d'Oise department