Unkel is a town in the district of Neuwied, in Rhineland-Palatinate, Germany.

It is situated on the right bank of the Rhine, near Remagen, about 20 km southeast of Bonn.

The town is located at the edge of the Rhine-Westerwald Nature Park in the middle of the Rhine Valley, its centre is about 4 km away from the border to North Rhine-Westphalia.

Unkel is surrounded from north to south by the settlements of Rheinbreitbach, Bruchhausen, Windhagen, Linz, Erpel, and Remagen.

The rich-featured Catholic parish church "St. Pantaleon" accommodates a feretory (a receptacle for the relics of saints).