The Church of Notre-Dame du Raincy is a modernist church located in Raincy, France, designed by architect Auguste Perret. Completed in 1923, it is notable for its innovative use of reinforced concrete, which allowed for large windows and a bright interior. The church is often regarded as a precursor to the modernist movement in architecture. The building features a striking facade and a unique roof structure that resembles a ship's hull. Its stained glass windows, created by artist Gabriel Loire, enhance the spiritual atmosphere inside. The church is recognized as a historical monument and is celebrated for its architectural significance.