The Cavallo Romano della Maremma Laziale or Roman horse of the part of the Maremma that is in Lazio is a horse breed native to the Lazio region of Italy. An ancient breed it was officially recognised only in 2010; it is now one of the fifteen indigenous horse breeds of limited distribution listed by the AIA the Italian breeders' association. The Lazio region has assigned it the conservation status at risk of erosion.