Hyles robertsi (spurge hawkmoth) is a moth of the family Sphingidae. It is known from Iran, the Kopet Dag Mountains of Turkmenistan, eastward to central and eastern Afghanistan, Kashmir and the Pamirs. It is also known from western Pakistan. Some authors consider it to be a subspecies of Hyles euphorbiae. The wingspan is 65–85 mm. It is very similar to Hyles euphorbiae euphorbiae. The larvae feed on herbaceous Euphorbia species.