The Westerkerk is a former Protestant church on Kruiskade in Rotterdam, completed in 1870 and lost in the bombing of Rotterdam in May 1940 .
The Westerkerk was designed by architect JA Jurriaanse in eclectic mix of styles, the tower was neo-Gothic, front and side walls Neo-Romanesque and the interior referred to the seventeenth-century Protestant churches, like the New Church in Haarlem.
The church was fully paid for by the Dutch Reformed Church itself . On December 28, 1867 procurement began. The building was eventually contracted to G. Key. On June 12, 1868 the first stone was laid and exactly two years later, First Pentecost 1870, the church was in use. The pastor during the service, Rev. W.Th. of Griethuysen, choose the text Matthew 21 verse 13: "It is written, My house shall be called a house of prayer '.
During the Bombing of Rotterdam in 1940 the church was damaged beyond repair. Replacing the Westerkerk and the Zuiderkerk in the Glashaven in 1960 was the Paulus Church in the Mauritsweg.