Shimanto is the name of several places in Japan.
Shimanto, Kōchi (city) (四万十市), a city in Kōchi Prefecture Shimanto, Kōchi (town) (四万十町), a town in Kōchi Prefecture Shimanto River, in Kōchi Prefecture
Shimanto may also mean: Shimanto (train), a train service in Japan 3182 Shimanto, an asteroid Shimanto Square, shopping mall in Dhaka, Bangladesh