Prince Grigol Dadiani (Georgian: ?????? ???????; 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 (?????????, "Colchian").