Dinslaken (German pronunciation: [ˈdɪnsˌlaːkn̩] ^ⓘ) is a town in the district of Wesel, in North Rhine-Westphalia, Germany. It is known for its harness racing track, its now closed coal mine in Lohberg and its wealthy neighborhoods Hiesfeld and Eppinghoven.

Dinslaken is a city of the Lower Rhine region and situated at the northwestern margin of the Ruhr area, approx. 15 kilometres (9 miles) north of Duisburg.

Dinslaken consists of 7 subdivisions

The medieval parish church, St. Vincentius, was heavily damaged during World War II, but was rebuilt from 1951 to 1952.

The current mayor of Dinslaken is independent politician Michaela Eislöffel since 2020. The most recent mayoral election was held on 13 September 2020, with a runoff held on 27 September, and the results were as follows:

The Dinslaken city council governs the city alongside the Mayor. The most recent city council election was held on 13 September 2020, and the results were as follows:

Dinslaken is twinned with: