The Oratory of Saint Catherine of Alexandria (Italian: Oratorio di Santa Caterina d'Alessandria) is a Baroque oratory located attached to the church of Sant'Ignazio all'Olivella, in the quarter of the Castellammare of Palermo, region of Sicily, Italy.

The interior stucco decoration was completed by Giacomo Serpotta and his son Procopio.

Flanking the entrance are allegorical statues of Knowledge and Science, two areas of study which the Jesuits wished to stress.

The church also has a Renaissance painting depicting the Madonna and Child by Vincenzo da Pavia.

You can help Wikipedia by expanding it.This article about a church building or other Christian place of worship in Italy is a stub.