Bettenhausen is a municipality in the Oberaargau administrative district in the Canton of Bern in Switzerland . On 1 January 2011, the former municipality of Bollodingen was merged with Bettenhausen.

Bettenhausen is first mentioned in 1335 as Bettenhusen.

A few scattered neolithic artifacts have been found in the municipality, from prehistoric settlements in the Aare valley. During the Middle Ages the village was part of the lands of the Freiherr of Aarburg . In 1429 he sold the village to the town of Burgdorf.