A. silvestrii may refer to:
Acromyrmex silvestrii, Emery, 1905, a New World ant species in the genus Acromyrmex Acropyga silvestrii, Emery, 1915, an ant species in the genus Acropyga Aenictus silvestrii, Wheeler, 1929, an ant species in the genus Aenictus Amblyopone silvestrii, the Dracula ant, an ant species in the genus Amblyopone Amphisbaena silvestrii, a worm lizard species found in Brazil Apopyllus silvestrii, a spider species found in Peru, Bolivia, Brazil, Argentina and Chile Argulus silvestrii, a carp louse, a parasitic crustacean species
See also Silvestrii (disambiguation)