Bouchavesnes-Bergen (French pronunciation: [buʃavɛn bɛʁɡɛn]; Picard: Bouchavène-Bergen) is a commune in the Somme department in Hauts-de-France in northern France.

The commune is situated on the junction of the D149 and the N17 roads, some 22 miles (35 km) northwest of Saint-Quentin.

Historical population

Year	Pop.	±% p.a.
1968	239	—
1975	225	−0.86%
1982	277	+3.01%
1990	359	+3.29%
1999	326	−1.07%
2007	327	+0.04%
2012	341	+0.84%
2017	291	−3.12%
Source: INSEE

The town has a monument dedicated to Marshal Foch. This is located near the D1017 road. This monument represents a bronze statue of Marshal Foch sculpted by Firmin Michelet, a French sculpor. It was inaugurated in 1926 in the presence of Marshal Foch.

• Communes of the Somme department