St. Mark's Episcopal Church is a historic Episcopal church at the junction of N. Bedford Rd. and E. Main Street in Mt. Kisco, Westchester County, New York. It was designed by architect Bertram Goodhue in 1907 and built from 1909 to 1913 in the late Gothic Revival style. The church was expanded in 1927–1928. It is a two-story building constructed of square cut local granite and schist. It has carved limestone trim and copings and a statue of St. Mark by Lee Lawrie. Its intersecting gable roof is covered by green and purple slate shingles. A tower was added in 1919–1920. Connected to the church is a contributing parish hall.