One of the three Kassapa brothers. They all lived at Gayāsīsa. When Uruvelā-Kassapa was converted, Gayā-Kassapa, with his followers, joined the Order, and at the conclusion of the Ādittapariyāya Sutta they all became arahants. Vin.i.33f. Gayā-Kassapa is reported Thag.345f. to have said that he used to bathe three times a day at Gayātittha, in order to wash away his sins during the festival of Gayāphaggu.