Hyles hippophaes, the seathorn hawk-moth, is a species of moth in the family Sphingidae.

The species was first described by Eugenius Johann Christoph Esper in 1789.

It is found in Afghanistan, Armenia, Azerbaijan, China, France, Georgia, Germany, Greece, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Pakistan, Romania, Serbia and Montenegro, Spain, Switzerland, Syria, Tajikistan, Turkey, Turkmenistan, and Uzbekistan.

Larvae of subspecies H. h. bienerti have been recorded on Elaeagnus angustifolia and Hippophae rhamnoides in China and Tajikistan.

This Macroglossini-related article is a stub.