As early as 1241/42, the Jewish community of Düren in Düren (North Rhine-Westphalia) was mentioned. In the 13th century, Rabbi Isaak ben Meïr from Düren is also mentioned.

The Jewish community of Freckenhorst existed since the 18th century and later merged with the Jewish community of Warendorf.

The Gürzenich Jewish Community was a Jewish community in the Gürzenich district of Dueren.

The Jewish community of Honnef (now Bad Honnef), a town in the Rhine-Sieg district of North Rhine-Westphalia, came into being in 1887 and was wiped out by Nazi persecution.

The Jewish community of Königswinter, today a town in the Rhein-Sieg district of North Rhine-Westphalia, came into being in 1853 and was dissolved in 1906.

The history of the Jewish community of Lechenich, a small town about 20 km west of Cologne, covers a period of about 700 years. It begins in the 13th century and ends in 1942. The heyday of the Jewish community was at the end of the 19th century. Through the persecution of the Jews by the National Socialists, Jewish life in Lechenich was completely destroyed.

A Jewish community in Meckenheim, a town in the Rhein-Sieg district (North Rhine-Westphalia), existed as early as the 16th century.

Ochtrup is a town in the northwestern Münsterland (North Rhine-Westphalia) in the border area with Lower Saxony and the Netherlands.

The history of the Jews in Hamm begins already a few decades after the foundation of the city of Hamm in 1226. A Hebrew martyrology, written down in 1296, mentions two Jewish refugees from Hamm. In 1327, Bishop Gottfried of Osnabrück allowed some Jews to settle in the town founded a hundred years earlier. The relationship between Hamm's Jews and the rest of the population was characterized by tensions and mutual distrust, as was common in Germany. Nevertheless, for centuries the Jews were indispensable financial backers of the authorities.

The Jewish community of Oelde existed between the middle of the 17th century and 1938, reaching its highest membership in 1861 with 84 believers.