The MS Morska Wola, (previously Consul Horn, Hindhead and Rio Negro), was a Polish freighter during the Second World War.

[7] In 1934 she was acquired by the Knoll Shipping Company, registered in London and renamed as Hindhead.

[2] She was then acquired by A/S Sobral in 1936 and renamed Rio Negro, operating on shipping routes between Norway and South America.

She took part in over 40 convoys, most notably, she was one of the ships who managed to escape, after the German heavy cruiser Admiral Scheer attacked convoy HX 84, thanks to the delaying action fought by the armed merchant cruiser HMS Jervis Bay.

She returned to Poland at end of the war, operating on shipping routes to South America and the Levant.