Alfonso Dampf Tenson (3 December 1884 Hiiumaa – 17 March 1948 Mexico City) was an entomologist.
During his studies Dampf began working as an assistant in the Zoological Museum and Institute of the University of Königsberg until 1912.
In 1913 he was appointed as the Government Entomologist of German East Africa, a position he held until 1919.
In 1920 he returned work as an assistant in the Zoological Museum and Institute of the University of Königsberg before leaving for Mexico in 1923.
Dampf worked on multiple groups including Tipulidae, Siphonaptera and Simulidae.