Victor Adler (June 24, 1852 Prague – November 11, 1918 Vienna) was an Austrian Social Democratic leader.

Founder of Socialist movement in Austria, he created the Marxist journals Gleicheit (Equality) in 1886 and Arbeiterzeitung (Workers' Paper) in 1889. That year he participated in the Hainfelder Parteitag, the conference which took part in Hainfel to form the Social Democratic Party of Austria. As a member of the provincial parliament (from 1905) he played a leading role in the fight for universal suffrage.

Before World War I, Adler was a moderate social democrat and leader of the Socialist Party in Vienna. He publicly backed the Imperial government's decision to go to war, but had private misgivings.

In 1918, as Secretary of State for Foreign Affairs under the interim government of Karl Renner he advocated the Anschlus (unification) of Deutsch-Österreich with Germany.

Foreign ministers of Austria | 1852 births | 1918 deaths

Victor Adler | Viktoras Adleris | Адлер, Виктор | Victor Adler