Jos Wienen

Jos Wienen (born 3 October 1960 in Ridderkerk) is a Dutch politician. He is mayor of the city of Haarlem.

Wienen studied history and theology at Utrecht University. In 1986 he became a councilor for the Christian Democratic Appeal (CDA) in the municipality of Ridderkerk. In 1993 he became also an alderman. Within his responsibilities were space planning, housing, traffic and transport, and economic affairs. Wienen was also part-time vice-president of the city region Rotterdam.

In 2001, Wienen became mayor of the municipality of Katwijk. In 2006, Katwijk merged with Rijnsburg and Valkenburg and became known as the municipality of Katwijk. Wienen was also member of the executive committee of the region Holland Rijnland, of which Katwijk is a part.

On 21 September 2016, Wienen exchanged Katwijk for the city Haarlem where he succeeded Bernt Schneiders as mayor.