List of Famous people with last name Nagamasa

Azai Nagamasa was a Japanese daimyō of the Sengoku period known as the brother-in-law and enemy of Oda Nobunaga. Nagamasa was head of the Azai clan seated at Odani Castle in northern Ōmi Province and married Nobunaga's sister Oichi in 1564, fathering her three daughters – Yodo-dono, Ohatsu, and Oeyo – who became prominent figures in their own right.

Kuroda Nagamasa was a daimyō during the late Azuchi–Momoyama and early Edo periods. He was the son of Kuroda Kanbei, Toyotomi Hideyoshi's chief strategist and adviser.

Yamada Nagamasa was a Japanese adventurer who gained considerable influence in the Ayutthaya Kingdom at the beginning of the 17th century and became the governor of Nakhon Si Thammarat province, which is on the Malay Peninsula in present-day Southern Thailand.

Asano Nagamasa was the brother-in-law of Toyotomi Hideyoshi and one of his chief advisors. Asano also fought for Oda Nobunaga and Hideyoshi in a number of campaigns during the Sengoku period of the 16th century of Japan.