Square Trousseau, Urban park in 12th arrondissement, France

Square Trousseau is an urban green space in the 12th arrondissement of Paris, situated between residential buildings and structured with pathways, planted beds, and various trees. The park creates natural areas that integrate vegetation into the densely built neighborhood.

The site once held the Hôpital des Enfants-Trouvés, built after the Hôpital général bought the land in 1674; about a thousand children were abandoned in Paris each year and six hundred were received there, cared for by the Sœurs de la charité. Renamed hôpital Sainte-Marguerite in 1839, then Sainte-Eugénie in 1854, it became Trousseau in 1880 and was demolished in 1902. The square, created in 1906, honours the physician Armand Trousseau (1801-1867).

The square is named after Armand Trousseau (1801-1867), a physician, clinician and French politician. Each September the Kiosquorama festival fills the bandstand with concerts and workshops, and an annual flea market (vide-greniers) is held in the square.

The square is rectangular, bounded by rue du Faubourg-Saint-Antoine, rue Charles-Baudelaire, rue Théophile-Roussel and rue Antoine-Vollon, with the entrance at 2, rue Antoine-Vollon. Métro line 8 stops at Ledru-Rollin. A flowered section is kept along the rue du Faubourg-Saint-Antoine side, and the bandstand hosts the Kiosquorama festival each September.

The bandstand's pale blue-grey octagonal roof, topped by a small finial, rests on a wooden framework of radiating beams and metal posts above a low stone base ringed by a black railing. Each September the Kiosquorama festival uses this kiosque à musique for concerts and workshops.