Macy is a former unincorporated community in northern Hardin County, in the U.S. state of Iowa.
Macy was located at , along the Illinois Central Railroad.
Macy's post office opened on August 5, 1893. The population of the community was just 12 in 1902.
The Macy post office was discontinued on February 14, 1914.
Macy's population was 25 in 1940.
The railroad tracks and associated buildings are still located in Macy.