The French National Teams are from the European country of France.
The national side played in the final match of the 2006 Quidditch World Cup tournament, losing to Burkina Faso by 300 points to 220 (Pm).
The Wikipedia entry for France does not list anything for Quidditch or other wizard sports (Wikipedia).
From the Web
Writing by J.K. Rowling on Pottermore:
Pottermore enhanced reading experience: Quidditch World Cup
Screenshots of the original Daily Prophet coverage of the 2014 Quidditch World Cup on Pottermore: Imgur archive
Harry Potter Wiki: French National Quidditch Team
Tags: competitions/competitors defeat international match Quidditch history sports teams