P. darwinii
# P. darwinii

P. darwinii may refer to:

* Pachycondyla darwinii, Forel, 1893, an ant species in the genus Pachycondyla found in India
* Pacifigorgia darwinii
* Parahelops darwinii
* Pleurodema darwinii, the four-eyed frog, a frog species found in Brazil, Chile, Uruguay and possibly Argentina
* Pleuropetalum darwinii, a plant species endemic to Ecuador
* Pterocnemia darwinii, the Darwin's Rhea, a large flightless bird species found in the Altiplano and Patagonia in South America
