The Yoshida Maru (吉田丸) was a Japanese cargo ship owned by Nippon Yusen Kaisha.

The Yoshida Maru was built at Hakodate; and she left port in August 1941 on her maiden voyage.

[2] Yoshida Maru was requisitioned as an auxiliary gunboat/minelayer of the Imperial Japanese Navy.

She was armed with 3 guns of 12 cm and machineguns.

[3] On 18 January 1944, she was sunk by the submarine USS Flasher at 140 miles west-southwest of Minami-Tori-shima, 23°50′N 151°28′E / 23.833°N 151.467°E / 23.833; 151.467 with the loss of 76 passengers, eight crewmen and 15 gunners.