Cathedral Basilica of the Nativity of the Blessed Virgin Mary in Sandomierz (Polish: Bazylika katedralna Narodzenia NMP w Sandomierzu) is a gothic cathedral constructed in 1360. Renovated in the baroque style in the 18th century, and received the rank of cathedral in 1818.

Sandomierz is a town in south-eastern Poland, situated in the Świętokrzyskie Voivodeship (since 1999). It is the capital of Sandomierz County (since 1999). Sandomierz is known for its Old Town, which is a major tourist attraction. In the past, Sandomierz used to be one of the most important urban centers not only of Lesser Poland, but also of the whole country.