Jean Frédéric André Poupart, 4th Baron of Neuflize CVO (21 August 1850 – 20 September 1928)[1] was a French banker and equestrian.

[11][12] He was succeeded in the bank by his second son, Jacques,[13] who was the representative of the Banque de French in America during World War I.

In 1904, he helped established the French investment bank Banque de l'Union Parisienne.

[1] In June 1900, Neuflize was awarded third place in the four-in-hand (mail coach) driving event during the International Horse Show in Paris.

[3] In Paris, they lived at 7 Rue Alfred-de-Vigny, a Hôtel particulier in the 8th arrondissement, Together, they were the parents of three children:[3] In 1897,[24] he built the Château des Tilles, a large Norman villa near Coye-la-Forêt in the Oise department in northern France near Chantilly.