Tankei (湛慶 1173 – June 13, 1256) was a Japanese sculptor of the Kei school, which flourished in the Kamakura period. He was the student of and eldest son of the master sculptor Unkei. Statue of Sahasrabhuja-arya-avalokiteśvara in the temple known as Sanjusangen-dō in Kyoto. The statue of Ugyō, one of the Niō guardians at the Nandaimon in front of the temple Tōdai-ji in Nara, with Jōkaku and 12 assistant sculptors.