The 1st constituency of Haute-Saône is a French legislative constituency in the Haute-Saône département.
Like the other 576 French constituencies, it elects one MP using a two round electoral system.
The 1st constituency of Haute-Saône is centred on the small town of Vesoul and covers the western portion of the department.
Until 2017 the constituency had elected conservative representatives throughout the Fifth Republic.
[1] * PS dissident Official results of French elections from 2002: "Résultats électoraux officiels en France" (in French).