Carl Lebrecht Udo Dammer

Carl Lebrecht Udo Dammer (born 8 January 1860 in Apolda, died 15 November 1920 in Großrambin near Kołobrzeg) was a German botanist. Dammer was also interested in entomology.

He was the son of Otto Dammer (1839–1916), an early advocate of the labor and Social Democratic movement in Germany. Udo Dammer studied natural sciences in Berlin, and worked at the Botanical Garden in St. Petersburg from 1882 to 1886. Her earned in Ph.D. at the University of Freiburg in 1888. From 1889, he worked at the Royal Botanical Museum in Berlin. Dammer founded and edited the journal Blätter für Pflanzenfreunde.