Athis may refer to:
- The name of several places in France (pronounced AH-TEE):
- Athis, a commune in the Marne département
- Athis-Mons, a commune in the Essonne département, a suburb of Paris, France
- Gue d'Athis, a fort near Fleury-sur-Orne
or:
- Athis, a European mythological character
- Athis is Lepidopterian genus from familia castniid moths (Castniidae).