Wannweil is a town in the district of Reutlingen in Baden-Württemberg in Germany.

It was home of 1990 soccer world champion Guido Buchwald and of Germany's former president Horst Köhler during his study period in Tübingen.

Wannweil was first mentioned in a 1257 Document as Wyle bi Betzingen, the name Wannwyle first appearing in 1465.

A partnership has been in place since May 2003 with the French municipality Mably (Loire department).

In addition, the Volksmission entschiedener Christen ("People's Mission of Committed Christians") and the New Apostolic Church are active in Wannweil.