Niwa Nagahide , 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 senior 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 to 1580, and Iga Campaign 1581, he was named one of the administrators of Kyoto after Nobunaga entered that city in 1568.

The Azuchi–Momoyama period was the final phase of the Sengoku period in Japanese history from 1568 to 1600.