Bad Rappenau (German: [baːt ˈʁapənaʊ] ⓘ; South Franconian: Rappene) is a city municipality in the district of Heilbronn in Baden-Württemberg in southern Germany.

Bad Rappenau has combined with Kirchardt and Siegelsbach to form a joint association of administrations.

The municipality consists of the town itself and the villages Babstadt, Bonfeld, Fürfeld, Grombach, Heinsheim, Obergimpern, Treschklingen, and Wollenberg.

According to other sources the village was previously named as Rappenheim due to its founder Rappo who was not in connection with ministerials.

So there was founded a community to create the Sophienbad (named after grand duchess Sophie von Baden) on May 15, 1834.

In 1912 Prof. Dr. Oskar Vulpius opened a sanatorium containing 120 beds to treat bone, joint, and gland sufferings.

Due to the administration reform of 1936 Bad Rappenau turned into the district of Sinsheim.

Previously the parish belonged to the church district of Sinsheim, changing to the one of Bad Rappenau-Sinsheim in 1975.

Since its foundation it belonged to the Roman Catholic Archdiocese of Freiburg (deanery Kraichgau).

Jews are proved since the 16th century, although the municipality was not settled by them generally and the parish was quite poor and small.

1 results of censuses Following the municipal election of 25 May 2014, the district council of Bad Rappenau has 34 seats.

The election result is as follows: * In 2009, together with the FDP In the past the local lord appointed a bailiff (vogt) to administer the village of Rappenau.

Later the Grand Duchy of Baden established a mayor to head the municipal administration assisted by a council.

Bürgermeister and Oberbürgermeister Blazon: In gold on a blue sign a jumping black horse.

On the urban cemetery lies Georg Christian Heinrich Rosentritt who discovered salt occurrences in 1822.

Bad Rappenau has several parks at its disposal: the Schlosspark in the west around of the water castle and the Salinengarten including Hohenstadter Grund and Kurpark in the east.

Since the 1980s and 1990s there are different festivals in other parts of the town, e. g. the Herbstfest and the Schlosshoffest in Grombach, the Fischerfest in Heinsheim, the Schlossfest in Obergimpern, the Kelterfest in Wollenberg and the Martinimarkt in Zimmerhof.

Also there is the lightning festival taking more than 10,000 visitors to Bad Rappenau and having big success.

Some of the biggest businesses are: The Kraichgau Stimme, part of the Heilbronner Stimme and the paper Bad Rappenauer Bote / Eppinger Nachrichten, part of the Rhein-Neckar-Zeitung) inform about happenings in Bad Rappenau.

Bad Rappenau has a Realschule (Wilhelm-Hauff-Realschule), a Förderschule (Albert-Schweitzer-Schule), a Hauptschule with Werkrealschule and a Grundschule each in Bonfeld, Fürfeld, Grombach, Heinsheim, Obergimpern, Zimmerhof and a further one (Theodor-Heuss-Schule) responsible for Babstadt and Treschklingen.