Millerton is an unincorporated community in Sumner County, Kansas, United States.

[1] It is located about 5 miles northeast of Conway Springs at the intersection of N Maple Rd and W 123rd Ave N, next to the railroad.

Millerton had a post office from 1875 until 1912, but the post office there was called Rolling Green until 1884.

[2] The community is served by Clearwater USD 264 public school district.