The Beimen Crystal Church () is an art installation in Beimen District, Tainan, Taiwan. The structure was opened in October 2014. Despite its name, it is not consecrated as a church but is occasionally used as a chapel for weddings.
The structure was designed with transparent color and decorated with many outdoor art installations located at the side of a lake. It features a square stone in the shape of a piano. The visitor center is painted with various love-shaped theme artworks.
The structure is accessible by bus from Xinying Station of Taiwan Railway.