Diaphanosoma fluviatile is a species of freshwater ctenopod in the family Sididae.

Native to Central and South America, it has been found in lakes further to the north.

In 2008, it was reported to have been found in central Texas.

[1] In 2018, it was reported that D. fluviatile has been found in western Lake Erie.

This Branchiopoda-related article is a stub.