Bas-Mono is a prefecture located in the Maritime Region of Togo. The prefecture covers 327 km<sup>2</sup>, with a population in 2022 of 94,860.
Canton (administrative divisions) of Bas-Mono include Afagnagan, Agomé-Glouzou, Attitogon, Afagnan-Gbléta, Hompou, Agbétiko, and Kpétsou.