Archaeologists working at a Neolithic site at al-Maqar in Saudi Arabia think so. I need to see a little more.
While there may have better evidence, a figurine of a horse, however amazing, is not necessarily evidence that the horse was domesticated. It isn’t evidence that it wasn’t either. I need to see more. For example, evidence of horse manure in an enclosure or images of horses doing things for or with people might convince me.
Oh, is that thing to the left of the horse in the photo a large scraper or is it a domesticated fish?