Levan V Dadiani, of the House of Dadiani, was Prince of Mingrelia, in western Georgia, from 1804 to 1846. Succeeding on the death of his father Grigol Dadiani, he ruled—initially under the regency of his mother Nino from 1804 to 1811—as a loyal subject of the Russian Empire. Levan Dadiani took little interest in the details of government and resigned in favor of his son, David Dadiani, in 1840, remaining a titular Prince of Mingrelia until his death.

The House of Dadiani, later known as the House of Dadiani-Chikovani, was a Georgian family of nobles, dukes and princes, and a ruling dynasty of the western Georgian province of Mingrelia.