Erinnyis ello, the ello sphinx, is a moth of the family Sphingidae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. It is distributed from Argentina through Central America to the United States as far north as Nevada.

The ello sphinx can be parasitized by the braconid wasp Microplitis figueresi.

Subspecies: 

• Erinnyis ello ello (Americas)
• Erinnyis ello encantada Kernbach, 1962 (Galápagos Islands)