The Episcopal Diocese of New York is a diocese of the Episcopal Church in the United States of America, encompassing three New York City boroughs and seven New York state counties. Established in 1785, it is one of the Episcopal Church's original dioceses. The current diocesan bishop is the Rt. Rev. Matthew Heyd, whose seat is at the Cathedral of Saint John the Divine.

The Cathedral of St. John the Divine is the cathedral of the Episcopal Diocese of New York. It is at 1047 Amsterdam Avenue in the Morningside Heights neighborhood of Manhattan in New York City, between West 110th Street and West 113th Street.