Route nationale 1 (disambiguation)

Route nationale 1 (RN 1 or RN1) is the name of a trunk road in many counties:
 * Route nationale 1 (France) between Paris and Calais.
 * Route nationale 1 (French Guiana) between Cayenne and Saint-Laurent-du-Maroni
 * Route nationale 1 (Niger)
 * Route nationale 1 (Réunion)
 * Route nationale 1 (Tunisia)