Fritz Tarnow (April 13, 1880 in Bad Oeynhausen, Province of Westphalia – October 23, 1951) was a Social Democrat trade unionists and Reichstag deputy during the Weimar Republic. Tarnow was the son of a carpenter and attended elementary school in Hanover, where he also became a carpenter's apprentice. He then became a journeyman and traveled throughout Germany. He worked until 1906 as a carpenter, and in the years 1901 to 1906, he was also a board member of the Rastatt, Oos, Bonn and Berlin branches of the . Then he worked until 1908 as a literary and statistical assistant in the main office of the Wood Workers Association in Stuttgart. In 1909, he graduated from the central school of the Social Democratic Party (SPD) in Berlin. From 1909 to 1919, Tarnow was then head of the Literary Agents