Diploastrea

{{Short description|Genus of corals}}

{{Automatic taxobox

| image = Helcogramma striata (Neon triplefin) on Diploastrea heliopora (Hard coral).jpg

| image_caption = Diploastrea heliopora

| parent_authority = Chevalier & Beauvais, 1987

| taxon = Diploastrea

| authority = Matthai, 1914{{cite WoRMS|author=WoRMS|year=2018|title=Diploastrea Matthai, 1914|id=204221|access-date=2018-09-04}}

}}

Diploastrea is the only genus of corals in its monotypic family, Diploastreidae, containing the extant Diploastrea heliopora (Lamarck, 1816) and the extinct Diploastrea polygonalis (Martin, 1880).