SS Harold O. Wilson was a Liberty ship built in the United States during World War II.

She was named after Harold O. Wilson, who was lost at sea while he was an oiler on SS Flora MacDonald, that was torpedoed by German submarine U-126, 30 May 1943, off Sierra Leone.

Harold O. Wilson was laid down on 12 December 1944, under a Maritime Commission (MARCOM) contract, MC hull 2396, by J.A.

[3][1] On 3 November 1945, one of the first US locomotives for the French railroad system was unloaded from Harold O. Wilson in Marseille.

On 20 June 1947, she was sold to Northeastern Steamship Corp., and renamed North Beacon.