The Iga Line is a railway line in Iga, Mie, Japan, operated by the private railway operator Iga Railway Co., Ltd. . The line connects Iga-Ueno Station with Iga-Kambe Station. The track and trains are owned by Kintetsu Railway, although the trains are operated by Iga Railway. It is also referred to as the Ninja Line (忍者線). Cars in the line have a face illustrated at their end.

Iga is a city located in Mie Prefecture, Japan. As of 31 August 2021, the city had an estimated population of 88,895 in 40,620 households and a population density of 160 persons per km². The total area of the city is 558.23 square kilometres (215.53 sq mi).