Sublette is a city in and the county seat of Haskell County, Kansas, United States. As of the 2010 census, the city population was 1,453.
The city of Sublette was named for William Lewis Sublette, a French Huguenot who was a partner in the Rocky Mountain Fur Company. Sublette was a mountain man, fur trapper and pioneer who blazed a trail through the area and was known by the local natives as "Cut Face".
Sublette is located at 37°28′47″N 100°50′42″W / 37.47972°N 100.845°W / 37.47972; -100.845 (37.479660, -100.845034). According to the United States Census Bureau, the city has a total area of 0.9 square miles (2.4 km²), all of it land.