The Great Synagogue (Czech: Velká Synagoga) in Plzeň, Czech Republic is the second largest synagogue in Europe.

The Great Synagogue of Warsaw was the largest synagogue of pre-war Warsaw and one of the largest in the world at the time.

The Great Synagogue (, ), was a synagogue in the city of Danzig, Germany (later Free City of Danzig, now Gdańsk, Poland). It was built in 1885-1887 on Reitbahnstraße, now Bogusławski Street. It was the largest synagogue in the city, and was demolished by the authorities in April 1939.