St. Mary's Church of Lappee (Finnish: Lappeen Marian kirkko) is a wooden Evangelical Lutheran church in the center of Lappeenranta, Finland. The construction began in April 1792 and the church was consecrated partially unfinished in June 1794. The adjacent bell tower was built half a century later in 1856. The church is listed as a nationally significant built heritage site by the Finnish National Board of Antiquities.