Kirchspielslandgemeinde Weddingstedt was an Amt ("collective municipality") in the district of Dithmarschen, in Schleswig-Holstein, Germany. Its seat was in Weddingstedt. In January 2008, it was merged with the Amt Kirchspielslandgemeinde Heide-Land and the municipality Norderwöhrden to form the Amt Kirchspielslandgemeinde Heider Umland.
The Amt Kirchspielslandgemeinde Weddingstedt consisted of the following municipalities (with population in 2005):
Neuenkirchen (1.044) Ostrohe (963) Stelle-Wittenwurth (486) Weddingstedt (2.321) Wesseln (1.352)