The Yamato Life Insurance Company (大和生命保険 Yamato Seimei Hoken Kabushiki-gaisha?) (: ) was a life-insurance company in Japan. Yamato's headquarters were in Uchisaiwaichō, Chiyoda, Tokyo. It was founded on September 20, 1889, and was capitalized at ¥12,086,963,000. It has policies valued at ¥34,500,000,000.
The company filed for bankruptcy on October 10, 2008 after the global financial crisis significantly devalued its assets particularly mortgages in Nevada. Its assets would later be acquired by the American-based insurance company Prudential Financial.