Solomon Lozovsky (Russian: Соломон Абрамович Лозовский, family birth name: Dridzo Russian: Дридзо, 1878-1952) was a prominent Bolshevik revolutionary, a high official in various parts of the Soviet government, including as a Presidium member of the All-Union Central Council of Soviet Trade Unions, a Central Committee member of the Communist Party, a member of the Supreme Soviet, a deputy people's commissar for foreign affairs and the head of the Soviet Information Bureau (Sovinformburo). He was also the chair of the department of International Relations at the Higher Party School.