ARA Comodoro Rivadavia (Q-11) is a survey ship of the Argentine Navy assigned to the national Hydrographic Naval Service (SHN for Servicio de Hidrografia Naval)[1] which among other things is responsible of the maintenance of nautical charts and navigational aids Comodoro Rivadavia was built by the Mestrina de Tigre shipyard, Buenos Aires.

[3] In 2011, the ship's hydrographic equipment were listed as follows:[4] Comodoro Rivadavia carries out various scientific research missions, and is an important asset for carrying out Argentina's National Cartographic Plan, by conducting hydrographic surveys on navigable routes.

This project was submitted to the United Nations (UN) on 22 April 2009 to support Argentina's claim that 1,700,000 square kilometres (660,000 sq mi) of ocean should be in the Argentinian Exclusive economic zone under the Convention on the Continental Shelf and Convention on the Law of the Sea.

[9] In July 2013, she participated in the search for a crew member of the Virgen María fishing boat, who disappeared at sea.

[11] In November 2017, she participated in the search for the missing Argentine Navy submarine, ARA San Juan (S-42).