Niwa Nagahide, Japanese samurai (d. 1585)
Niwa Nagahide (丹羽 長秀, October 16, 1535 – May 15, 1585), also known as Gorōzaemon (五郎左衛門), his other legal alias was Hashiba Echizen no Kami (羽柴越前守), was a Japanese samurai of the Sengoku through Azuchi-Momoyama periods of the 16th century. He served as a retainer to the Oda clan, and was eventually a daimyō in his own right. Going on to fight in the Oda clan's major campaigns, including Mino Campaign 1567, Omi Campaign 1568, the Honganji Campaign from 1570-1580, and Iga Campaign 1581, he was named one of the administrators of Kyoto after Nobunaga entered that city in 1568.