Iwata (磐田市, Iwata-shi) is the capital city of Shizuoka Prefecture in Japan. It is on the Tenryū River.
Iwata is made of 5 communities merged together: kyu-Iwata (former Iwata), Toyoda-cho, Fukude-cho, Ryuyo-cho, Toyoka-mura.
Part of Yamaha Corporation is in Iwata.