The canton of Oloron-Sainte-Marie-1 is an administrative division of the Pyrénées-Atlantiques department, southwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Oloron-Sainte-Marie.
It consists of the following communes:
Coordinates: 43°11′N 0°37′W / 43.19°N 0.62°W