Route 173 (Route-du-Président-Kennedy) is a major north/south highway on the south shore of the St. Lawrence River in Quebec, Canada, named after the assassinated American president, John F. Kennedy. Its southern terminus is at the Armstrong-Jackman Border Crossing in Saint-Théophile in the hamlet of Armstrong, at the border with Maine (U.S. Route 201 / Maine SR 6), and its northern terminus is in Lévis at the junction of Route 132.