Giorgi I Dadiani (Georgian: გიორგი I დადიანი; died 1323) was a member of the House of Dadiani and eristavi ("duke") of Odishi in western Georgia from the late 13th century until his death. The principal source on Giorgi Dadiani is the early-18th-century history by Prince Vakhushti, who does not report his parentage; the primary sources available to him have been lost. Giorgi Dadiani is also known from undated inscriptions, in the Georgian asomtavruli script, from the territory of Odishi, which allow reconstruction of his genealogy. He was a son of mandaturt-ukhutsesi ("Lord High Steward") Bediani-Dadiani by his wife Khuashak, daughter of Bega, eristavi of Kartli, and had two brothers, Ioane and Erashahr. Giorgi is depicted in a fresco on the northern wall of the Khobi Cathedral, his own fo