Prince Zegnak Sharvashidze, was a prince of the Principality of Abkhazia, which ruled from circa 1665 to 1700.
He was born into the House of Sharvashidze, ruling family of Abkhazia. After Zegnak's death, the Principality of Abkhazia was divided amongst his sons, with his eldest son Rostom Prince of the rump Principality in Bzyb and the separate duchies of Abzhua and Samurzakhano falling to his other sons Jikeshia and Kvapu.