Clearwater is a city in Sedgwick County, Kansas.
Clearwater was first settled in 1870, then platted as a city in 1872. It was named from the clear water of the river upon which it is situated. The first post office in Clearwater was established in 1871, and the name of the post office was officially spelled out Clear Water until 1894. The Chisholm Trail ran along the east side of the community from 1867 to 1871.