Oranienbaum

Oranienbaum may refer to:

Germany

• Oranienbaum, Germany, a town in Saxony-Anhalt, Germany
• Oranienbaum-Wörlitz

Russia

• Oranienbaum, Russia (Russian: Ораниенба́ум), a Russian royal residence
• Lomonosov (aka Oranienbaum-Lomonosov), the former name of the adjacent town
• Oranienbaum Bridgehead
• Oranienbaum Offensive (1944)