Saint Nicholas, Equal-to-the-Apostles, Archbishop of Japan, born Ivan Dimitrovich Kasatkin (Russian: ???? ?????????? ????????; 13 August [O.S.
1 August] 1836 – 16 February 1912) was a Russian Orthodox priest, monk, and bishop.
He introduced the Eastern Orthodox Church to Japan.
The Orthodox cathedral of Tokyo (metropolitan diocese of Japan), Tokyo Resurrection Cathedral, was informally named after him as Nikorai-do, first by the local community, and today nationwide, in remembrance of his work.