Yonezawa (米沢市; -shi) is a city located in Yamagata, Japan.
As of 2008, the city has an estimated population of 91,704 and the density of 167 persons per km². The total area is 548.74 km².
The city was founded on April 1, 1889.
Yonezawa is most famous for its local delicacies (apples, beef, and carp) and for being a castle town that was once home to Uesugi Yozan.