Azumino is a city located in Nagano Prefecture, Japan.
The modern city of Azumino was established on October 1, 2005, from the merger of the town of Akashina (from Higashichikuma District), the towns of Hotaka and Toyoshina, and the villages of Horigane and Misato (all from Minamiazumi District). The city's population is near 100,000 people and it is the 6th most populous in Nagano Prefecture.
Azumino is home to the world's largest wasabi farm, Daio Wasabi Farm.