Prince Grigol Dadiani (; 6 October 1814 – 24 December 1901) was a member of the Georgian noble Dadiani family of Mingrelia. He was a son of Levan V Dadiani, Prince-regnant of Mingrelia, and member of the regency council for his nephew, Niko I Dadiani. As an officer in the Imperial Russian service, he took part in the Russo-Turkish, Crimean, and Caucasus wars, and retired with the rank of General of the Infantry. He was also a literature enthusiast and himself a poet of some talent, writing in the spirit of Georgian Romanticism under the pen name of Kolkhideli (კოლხიდელი, "Colchian").