Euphorbia delphinensis

{{Short description|Species of flowering plant}}

{{Speciesbox

| image = 大戟屬 Euphorbia delphinensis -巴黎植物園 Jardin des Plantes, Paris- (9207604392).jpg

| image_caption = At Jardin des Plantes, Paris

| status = VU

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Haevermans, T. |date=2004 |title=Euphorbia delphinensis |volume=2004 |page=e.T44332A10892824 |doi=10.2305/IUCN.UK.2004.RLTS.T44332A10892824.en |access-date=15 November 2021}}

| genus = Euphorbia

| species = delphinensis

| authority = Ursch & Leandri

}}

Euphorbia delphinensis is a species of plant in the family Euphorbiaceae. It is endemic to Madagascar. Its natural habitat is rocky areas. It is threatened by habitat loss.