Kostanti-Kakhay was a 9th-century Georgian nobleman from Kartli who became a Christian martyr. Born in 768, he was a wealthy and respected figure known for his religious devotion and generosity. During an Abbasid military expedition led by the general Bugha al-Kabir, Kostanti was taken prisoner and transported to Samarra. Despite being offered riches to renounce his faith, he refused to convert to Islam. He was ultimately executed at the age of 85, maintaining his Christian convictions until his death.