The Fondation Custodia is an art collection in the 7th arrondissement of Paris, focusing on European Old Master works, including works by Dutch, Flemish, Italian and French artists. It was founded in 1947 by the collector and art historian Frits Lugt and his wife Jacoba Lugt-Klever to house their collection of drawings, prints and paintings. Located at 121 rue de Lille, it occupies the Hôtel Turgot, an 18th-century mansion.