Darwinii, a Latin word commonly referring to English naturalist Charles Darwin (1809–1882), may refer to:

Look up darwinii in Wiktionary, the free dictionary.

Species

• Amphisbaena darwinii
• Diplolaemus darwinii
• Gymnodactylus darwinii
• Homonota darwinii
• Liolaemus darwinii

Subspecies

• Distephanopsis crux subsp. darwinii
• Distephanus crux subsp. darwinii
• Homonota darwinii darwinii, a subspecies in the gecko species Homonota darwinii and the genus Homonota
• Yucca × Darwinii, a variety in the genus Yucca created by German botanist Carl Ludwig Sprenger (1846–1917)