The National Socialist Bulgarian Workers Party (Bulgarian: Национал-Социалистическа Българска Работническа Партия) was a Nazi party based in the Kingdom of Bulgaria.

It was one of a number of anti-Semitic groups to emerge in Bulgaria after the rise of Adolf Hitler in Germany, with other notable groups including the Union of Bulgarian National Legions and Ratniks.^[1] The party was established by Doctor Hristo Kunchev in 1932, who had studied medicine in Berlin.^[2] The party sought to copy the Nazi Party by adopting the National Socialist Program, the swastika and other symbols of the German party.^[2] Unlike some of its competitors on the far right like the Union of Bulgarian National Legions and the Ratniks, it was not a very influential group and had a relatively small membership with only a hundred people active in its core.^[3] The party published a newspaper called Ataka [bg] ('Attack', a name similar to Der Angriff of Joseph Goebbels) in which it criticized the Bulgarian Freemasonry which, according to the party, had a significant role in Bulgarian politics. In this regard Aleksandar Tsankov, a leader of the rivalling National Social Movement, was attacked.^[4] In the September 1932 municipal elections, of 68,000 voters, 47,823 voted, and Bulgarian National Socialists obtained only 147 votes (0.31%) and ranked 18th among the participants. Through 1933, it was divided and disappeared after all political parties were banned after the coup of 9 May 1934.^[5]