Louis-Hippolyte Boileau (French pronunciation: [lwi ipolit bwalo]; 1878–1948) was a French architect.
Grandson of Louis-Auguste Boileau (1812–1896) and son of Louis-Charles Boileau (1837–1914, architect of the Hôtel Lutetia), Louis-Hippolyte studied at the École nationale supérieure des Beaux-Arts in Paris under Gaston Redon. He is best known for his Art Deco.