Hakuyo Maru (Japanese: 白鷹丸) was a Japanese cargo ship of during World War II.

She was laid down in 1944 at the Osaka shipyard of Namura Shipbuilding Co., Ltd. (jp:名村造船所), for the benefit of Toyo Kisen Kaisha Co., Ltd. (jp:東洋汽船), Tokyo.

[1] She was one of 92 Wartime Standard Type D Cargo Ships laid down in 1944–1945 and one of nine built by Namura Shipbuilding, seven of which were completed prior to the end of the war.

[3] She was launched on 9 September 1944 and completed on 6 October 1944.

[1] On 12 June 1945, she was lost in a maritime incident in dense fog in the Tsugaru Strait.