Buciumi is a commune in Bacău County, Western Moldavia, Romania.

The villages were part of Ștefan cel Mare Commune until 2005, when they were split off.

At the 2011 census, the commune had 2,984 inhabitants, of which 75.6% were Romanians and 24.4% Roma.

At the 2021 census, Buciumi had a population of 3,265; of those, 74.79% were Romanians and 21.5% Roma.

This Bacău County location article is a stub.