The 3rd constituency of Seine-Saint-Denis (French: Troisième circonscription de la Seine-Saint-Denis) is one of the 12 legislative constituencies in Seine-Saint-Denis (93) département, France.

Like the other 576 French constituencies, it elects one MP using the two-round system.

[2] The current boundaries of the constituency are entirely different to those that existed before the 2010 redistricting.

The current boundaries are largely the same as those of the now-defunct 13th constituency.

[3]