Ehingen (Donau) (German pronunciation: [ˈeːhɪŋən]; Swabian: Eegne) is a town in the Alb-Donau district in Baden-Württemberg, Germany, situated on the left bank of the Danube, approx.

Ehingen is located on the southern edge of the middle Swabian Jura on the north bank of the Danube.

The following cities and towns (they belong, unless otherwise indicated, to the Alb-Donau-Kreis) adjoin the town of Ehingen, in clockwise called, starting from the north: Schelklingen, Allmendingen, Altheim (Ehingen), Öpfingen and Griesingen, Laupheim and Schemmerhofen (both Biberach district) Unterstadion, Rottenacker, Munderkingen, Untermarchtal and Lauterach and Hayingen and Münsingen (both Reutlingen (district)).

The town consists of the core city, which includes municipalities Dettingen and Berkach (incorporated in 1939), and the municipalities Altbierlingen, Altsteußlingen, Berg, Dächingen, Erbstetten, Frankenhofen, Gamerschwang, Granheim, Herbertshofen, Heufelden, Kirchbierlingen, Kirchen, Mundingen, Nasgenstadt, Rißtissen, Schaiblishausen and Volkersheim (incorporated in the framework of local government reform in the 1970s).

Such dwelling places are: "Eh'gna", the dialect pronunciation of the name Ehingen, has first been mentioned in a written document in 961.

The settlement prospered in the 12th and 13th centuries under the reign of the counts of Berg-Schelklingen, Berg nowadays being just the name of a village south of Ehingen.

The Catholics of the core city and Altsteußlingen, Berkach, Dettingen and Herbertshofen belong to the two parishes of St. Blasius and St. Michael.

In the other districts of Ehingen, there are the following Catholic parishes: Dächingen, Erbstetten, Frankenhofen, Gamerschwang, Granheim, Kirchbierlingen, Nasgenstadt.

All these Catholic parishes belonged to the early 19th century to the diocese of Konstanz and then the country Chapter Ehingen.