Bollodingen is a former municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.

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.

Most of the population (as of 2000[update]) speaks German (98.6%), with French being second most common ( 0.9%) and English being third ( 0.5%).

In the 2007 election the most popular party was the SVP which received 52.4% of the vote.

In Bollodingen about 84.6% of the population (between age 25-64) have completed either non-mandatory upper secondary education or additional higher education (either University or a Fachhochschule).