Chatham is a city of southeast Ontario,Canada,on the Thames River east-northeast of Windsor. It is an industrial center in an agricultural region with a population of 40,952.

• 查塔姆是加拿大安大略省东南部城市，位于温泽东北偏东的泰晤士河上，是处于农业区的工业中心，有人口40952。