Boyer is an unincorporated community in Crawford County, in the U.S. state of Iowa.
Boyer was laid out in 1889. The community took its name from the Boyer River.
A post office called Boyer was established in 1899, and remained in operation until it was discontinued in 1967.
Coordinates: 42°10′55″N 95°14′07″W / 42.18194°N 95.23528°W