Sternhydrus

{{short description|Genus of beetles}}

{{italic title}}

{{Taxobox

| name = Sternhydrus

| regnum = Animalia

| phylum = Arthropoda

| classis = Insecta

| ordo = Coleoptera

| subordo = Adephaga

| familia = Dytiscidae

| genus = Sternhydrus

| genus_authority = Brinck, 1945

}}

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:{{cite book| author1=Miller, K.B. |author2=J. Bergsten | title=Diving Beetles of the World: Systematics and Biology of the Dytiscidae | year=2016 | pages=131–132 |publisher=JHU Press | isbn=978-1-4214-2054-7 }}{{cite web |first1=Anders N. |last1=Nilsson |first2=Jiří |last2=Hájek |title=A World Catalogue of the Family Dytiscidae or the Diving Beetles (Coleoptera, Adephaga) |year=2021 |edition=1.I.2021 |url=http://waterbeetles.eu/documents/W_CAT_Dytiscidae_2021.pdf}}

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