Square Marie-Trintignant, Urban park in the 4th arrondissement, Paris, France

Square Marie-Trintignant is a 790-square-metre garden in the 4th arrondissement, laid out in 1933 on the site of the former Ave-Maria covered market. Landscape architect David Besson-Girard redesigned it in 2007 around fig and cherry trees, echoing the old orchards of the Marais in the Renaissance. A brown sign on a thin post reads "JARDIN MARIE-TRINTIGNANT" among pink-flowering trees, with a dark utility cabinet beside it and stone steps leading up to a multi-storey building behind.

In the 12th century the site belonged to a residence of the Barbeau abbey, which gave its name to the nearby tower. A covered market, the marché de l'Ave-Maria, opened here in 1877; designed by Auguste-Joseph Magne as an iron hall on the Baltard model, it was demolished in 1929. The square was laid out in 1933 and renovated by landscape architect David Besson-Girard, then inaugurated by mayor Bertrand Delanoë on 13 May 2007.

The square is named after actress Marie Trintignant (1962–2003). Its earlier name, square de l'Ave-Maria, came from the neighbouring rue de l'Ave-Maria. The 2007 redesign by landscaper David Besson-Girard drew on the fig and cherry orchards that dotted the Marais in the Renaissance.

The square has two entrances: through the building at 11 rue de l'Ave-Maria and from the Quai des Célestins. Metro line 7 serves the nearby stations Pont Marie and Sully-Morland. The garden covers 790 square meters, so it is small enough to cross in a few minutes.

The square stands on the site of the medieval city walls built under Philip II Augustus, whose line the Czech sources place beneath the garden. The 1877 covered market that followed, a cast-iron hall by Auguste-Joseph Magne modelled on the Baltard pavilions, was demolished only in 1929.