Chiesa di San Girolamo alla Certosa, Renaissance church in Certosa district, Bologna, Italy.

The Chiesa di San Girolamo, begun in 1334 and consecrated in 1359, has a medieval brick facade crowned with trilobed arches on hanging columns, partly hidden by a portico enlarged in 1768 with a five-arch Tuscan entrance by Gian Giacomo Dotti. Its interior has an unusual inverted T plan, with 16th-century chapels added at the entrance forming a transept opposite the usual position. The 1611 bell tower by Tommaso Martelli houses four bells cast between 1597 and 1683.

The building was founded in 1334 as a Carthusian monastery and operated unchanged until 1797. It then underwent transformation as part of Bologna's Certosa complex.

The facade niches hold terracotta statues of King David and Queen Esther by Gabriele Brunelli, moved here from the suppressed Confraternita del Buon Gesù. The bell cell of Tommaso Martelli's 1611 tower hangs four bells cast between 1597 and 1683, tuned to a minor chord suited to the cemetery setting and rung manually in the Bolognese manner.

Visits are best planned around guided tours, as opening times are limited. It is helpful to check access conditions in advance, since the building is located on cemetery grounds.

The church bells form a minor-key peal, unusual among Bologna's generally major-key bell sets, and are rung manually "a doppio" by master bell-ringers on solemn occasions. The heaviest, cast by Giovanni Domenico Dinarelli in 1666, weighs about 1,200 kg; the oldest, by Antonio Censori, dates to 1597.