Tama Maru No. 2 was a whaler built by Mitsubishi Jukogyo Kabushiki Kaisha, Kobe for Taiyo Hogei Kabushiki Kaisha in 1936. She was requisitioned in 1941 by the Imperial Japanese Navy during World War II and converted into a minesweeper. On 10 March 1942, during the invasion of Lae-Salamaua, Tama Maru No. 2 was damaged by Douglas SBD Dauntless dive bombers from the United States Navy aircraft carriers and off Lae, New Guinea.
On 13 March 1942, Tama Maru No. 2 sank as a result of damage inflicted off Lae.