Langon is the name of several communes in France:
- Langon, Gironde, in the Gironde département
- Langon, Ille-et-Vilaine, in the Ille-et-Vilaine département
- Langon, Loir-et-Cher, in the Loir-et-Cher département
- Langon, Indonesia, a village in Tahunan, Jepara, Central Java, Indonesia