Lanistes intortus is a species of large freshwater snail, an aquatic gastropod mollusk with a gill and an operculum in the family Ampullariidae, the apple snails.

It is endemic to the Democratic Republic of the Congo.

[1] They are one of approximately 41 species of Lanistes.

[2] They are typically found at an altitude between 0 and 490 m (1,608 ft),[3] living in and around brackish water habitats.

[4] They are characterised by a shell of 30 mm, light brown with small, darker spiral bands.