The 2023 Clásica de San Sebastián was a road cycling one-day race took place on 29 July 2023 in San Sebastián, Spain.

It was the 42nd edition of the Clásica de San Sebastián and the 26th event of the 2023 UCI World Tour.

All the 18 UCI WorldTeams and seven UCI ProTeams make up the twenty-five teams that will participate in the race.

[1] UCI WorldTeams UCI Professional Continental Teams

This cycling race article related to Spanish cycling is a stub.