The Church of St Louis, Church of St. Louis, Church of Saint Louis, St. Louis Church and variants, including , , or Kirche St. Ludwig, , and , mostly intended for Saint Louis, Louis IX of France, may refer to:
Brazil Igreja Matriz São Luiz Rei, Ipê
France Church of Saint Louis, Grenoble Church of St Louis, Marseille Church of St Louis, Rouen
Germany The primary topic is Ludwigskirche in Saarbrücken (the "Ludwig" refers to the founder, not to the saint) Ludwigskirche, Munich St. Ludwig's Church, Celle
Italy Chiesa di San Luigi dei Francesi (in English, Church of St Louis of the French), Rome Chiesa di San Luigi Gonzaga, Corteranzo, Murisengo (dedicated to Saint Aloysius Gonzaga)
Netherlands Heilige Lodewijkkerk, Leiden
Russia Church of St. Louis of the French (Moscow)
United States St. Louis Church (Fall River, Massachusetts) St. Louis Church (Louisville, Ohio) St. Louis Church (Caledonia, Wisconsin) St. Louis Roman Catholic Church