Nairn and Hyman is a township in the Canadian province of Ontario. The township, located in the Sudbury District, borders on the southwestern city limits of Greater Sudbury west of the city's Walden district. The township had a population of 342 in the Canada 2016 Census.

Walden was a town in the Canadian province of Ontario, which existed from 1973 to 2000. Created as part of the Regional Municipality of Sudbury when regional government was introduced, the town was dissolved when the city of Greater Sudbury was incorporated on January 1, 2001. The name Walden continues to be informally used to designate the area.