The A-Rosa Aqua is a German river cruise ship, cruising in the Rhine – Main – Moselle basin.

The ship was built by Neptun Werft GmbH at their shipyard in Warnemünde, Germany, and entered service in July 2009.

Her sister ships are A-Rosa Brava and A-Rosa Viva.

Her home port is currently Rostock.

The ship has two restaurants, lounge and two bars, Finnish sauna and resting area.