Holy Trinity Monastery is a Russian Orthodox monastery in Jordanville, New York, formally established in 1930 by émigré monks under the blessing of Archbishop Apollinary of North America. It is the largest monastery of the Russian Orthodox Church Outside of Russia (ROCOR) and hosts Holy Trinity Orthodox Seminary alongside a well-known publishing press producing Orthodox liturgical and devotional texts. The complex includes a cathedral, seminary buildings, and working farmland maintained by the monastic community.