Acosmeryx naga is a moth of the family Sphingidae.

[2] It was described by Frederic Moore in 1858, and is known from Japan, Tajikistan, Afghanistan, China and South-east Asia.

In northern China, there is one generation per year, with adults on wing from April to June.

In Korea, adults are on wing from early May to mid-August.

[3] The larva of the species have been found on plants in the genera Vitis, Ampelopsis, Actinidia, and Saurauia.