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

Bollodingen is first mentioned in 1266 as Bolathingen.

Bollodingen has an area, as of 2009, of 1.96 km2 (0.76 sq mi). Of this area, 1.18 km2 (0.46 sq mi) or 60.2% is used for agricultural purposes, while 0.59 km2 (0.23 sq mi) or 30.1% is forested. Of the rest of the land, 0.18 km2 (0.069 sq mi) or 9.2% is settled (buildings or roads), 0.02 km2 (4.9 acres) or 1.0% is either rivers or lakes.