Phyllonorycter hostis is a moth of the family Gracillariidae.

It is known from Italy, Serbia, North Macedonia, Montenegro and Tunisia.

There are some records from Great Britain and Germany.

The larvae feed on Cydonia, Malus domestica, Prunus avium, Prunus persica, Pyrus communis and Sorbus torminalis.

This article relating to moths in genus Phyllonorycter is a stub.