Loricaria lentiginosa is a species of catfish of the family Loricariidae.

[1] It is endemic to the upper Paraná River basin in Brazil.

It reaches 51.4 cm (20.2 inches) in standard length and is believed to be a facultative air-breather.

[2] The species was described by Dutch ichthyologist Isaäc J. H. Isbrücker in 1979.

This article relating to Loricariinae is a stub.