Saint-Aubin-sur-Yonne (French pronunciation: [sɛ̃.t‿obɛ̃ syʁ jɔn], literally Saint-Aubin on Yonne) is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France.

It is part of the canton of Joigny and the arrondissement of Sens.

[3] The inhabitants of Saint-Aubin-sur-Yonne called the Aubinois.

The area is 8.9 square kilometers and the population is 409 (2018).

This Yonne geographical article is a stub.