Buckeye is an unincorporated community in Dickinson County, Kansas, United States.
Buckeye was started as a colony/settlement by Universalist preacher Vear P. Wilson. Buckeye colony had nearly two hundred settlers and a church built by 1870.
Buckeye had a post office from 1900 until 1904.
The community is served by Chapman USD 473 public school district.