Leporinus sidlauskasi is a species of fish in the family Anostomidae.

It is found in the lower Tocantins River in Pará State, Brazil.

[1] It is named in honor of Brian L. Sidlauskas (b.

1976), the Curator of Fishes at Oregon State University, for his contributions to the knowledge of the systematics of the family Anostomidae.

This Characiformes-related article is a stub.