Santa Maria Assunta, Parish church in Orta San Giulio, Italy.

Santa Maria Assunta is the parish church of Orta San Giulio, with a west-facing facade of pale ochre stucco above a grey stone base. A 17th-century porch with two round arches on Tuscan columns precedes the entrance; the upper order has a framed oval relief and two rectangular windows, and three statues of the Assumption crown the gable. A square bell tower with a pyramidal spire stands beside it.

The first church on the site was built in 1485 in late Romanesque style and was initially dedicated to the Madonna della Consolazione. By 1560 it served as the parish church and was later rededicated to the Assumption. The building was enlarged in the 16th century and rebuilt between 1698 and 1725; the facade was reworked in 1940–41 to a design by Carlo Nigra.

The church is the parish church of Orta San Giulio and belongs to the pastoral unit of Gozzano. Its dedication to the Assumption is reflected in the sculptural group of the Assumption crowning the facade. Inside, the side chapels hold works such as Luca Rossetti's Old Testament scenes (1751–1763) and a 1617 Baptism of Christ from the school of Morazzone.

The west-facing facade is reached from the piazza by a stone balustrade and steps on the right side, beside a large trimmed green shrub. The entrance is the central portal of serpentino di Oira stone; the seventeenth-century porch with two round arches on grey Tuscan columns shelters it. The interior is divided into three naves by columns carrying round arches, with side chapels and a polygonal apse at the end.

The wooden statue of the Immaculate Conception was carved in 1783 and stands inside the church; the sources record the date but not a dragon or an apple beneath the Virgin's feet. The same interior holds a canvas of the Immaculate Conception by Stefano Maria Legnani.