Ceratomia sonorensis, the Sonoran sphinx, is a moth of the family Sphingidae.

It is known from high altitudes in oak and oak-pine associations in Madrean woodland in Sonora, Mexico and in south-eastern Arizona.

There is one generation per year with adults on wing from July to August.

The larvae feed on Fraxinus species.

This Sphinginae-related article is a stub.