The canton of Ossun is an administrative division of the Hautes-Pyrénées department, southwestern France. Its borders were not modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Ossun.^[1]

It consists of the following communes:^[1]

43°11′N 0°02′W / 43.18°N 0.03°W / 43.18; -0.03