Schwendibach is a former municipality in the administrative district of Thun in the Canton of Bern in Switzerland . On 1 January 2020 the former municipality of Schwendibach merged into the municipality of Steffisburg .

Schwendibach is first mentioned in 1388 as Swendibach.

The area was gradually settled as small farms cleared the land during the Late Middle Ages. The land was originally owned by the Count of Kyburg. After the defeat of the Austrian backed Kyburgs in the Burgdorferkrieg, in 1384 the Kyburg lands were acquired by the city of Bern.