Ronshausen is a municipality and a Luftkurort (“air spa”) in Hersfeld-Rotenburg district in northeastern Hesse, Germany.

In 1061, Ronshausen had its first documentary mention as Runteshuson in a donation document to the Fulda Abbey.

The outlying centre of Machtlos had its first documentary mention as villa Mechtolves in 1329.

The community of Machtlos was amalgamated with Ronshausen in 1972 as part of municipal reform.

The municipal election held on 26 March 2006 yielded the following results: The community's executive (Gemeindevorstand) is made up of five members, with four seats allotted to the SPD and one to the CDU.