Oswald Franz Alexander Zimmermann (5 February 1859, Neumarkt – 5 October 1910, Dresden) was a German anti-Semitic politician and journalist.

One of the leading representatives of political anti-Semitism in the German Empire, he was elected a member of the Reichstag three times.

He also published Sind die Juden noch das auserwählte Volk?

[3] He was elected to the Reichstag as one of a number of independent anti-Semites in 1890 and held the seat for the German Reform Party in 1893.

[5] Despite the initiative being largely his idea Zimmermann found working with the German Social Party, who represented the more moderate end of the independent anti-Semitic movement, difficult and in particular clashed with their leader Max Liebermann von Sonnenberg, whom he personally disliked.