Sternhydrus is a genus of beetles in the family Dytiscidae. They are found in Australia, New Guinea, and Buru Island. The genus contains the following four species:

Sternhydrus atratus (Fabricius, 1801) Sternhydrus gibbosus (Wilke, 1920) Sternhydrus kolbei (Wilke, 1920) Sternhydrus toxopei (Zimmermann, 1925)

References