Unzela japix is a moth of the family Sphingidae.

There are also records from Suriname and north-western and south-eastern Venezuela.

There are probably two to three generations per year with adults recorded from May to June, August to September and from December to January.

The larvae possibly feed on Vitaceae and Dilleniaceae species.

It has also been recorded from Pinzona coriacea and Tetracera volubilis.