New Dayton is a hamlet in southern Alberta, Canada within the County of Warner No.

[2] It is located on Highway 4 between the villages of Stirling and Warner, approximately 48 kilometres (30 mi) southeast of Lethbridge.

New Dayton was named for their former home by settlers from Dayton, Ohio.

[3] New Dayton recorded a population of 47 in the 1991 Census of Population conducted by Statistics Canada.

[12] The hamlet has a ball diamond, a campground and a postal outlet.