Waldron is a city in Harper County, Kansas, United States. As of the 2010 census, the city population was 11.
The ashes of evangelist Tammy Faye Messner were interred in the Messner family plot in Waldron in 2007.
Waldron is located at 37°0′14″N 98°10′59″W / 37.00389°N 98.18306°W / 37.00389; -98.18306 (37.003860, -98.183165). According to the United States Census Bureau, the city has a total area of 0.3 square miles (0.8 km²), all of it land.