France are second in the standings, trailing leaders Ireland with four points before the final match on Saturday at Stade de France.
The hosts need to win to join Ireland on 19 or claim a bonus point to edge ahead on 20, with Ireland meeting England later on Saturday.
Galthie's side will be brimming with confidence after they thrashed England 53-10 on Saturday, their biggest ever win over them and first in the Six Nations at Twickenham for 18 years.
France team
15-Thomas Ramos, 14-Damian Penaud, 13-Gael Fickou, 12-Jonathan Danty, 11-Ethan Dumortier, 10-Romain Ntamack, 9-Antoine Dupont(c), 1-Cyril Baille, 2-Julien Marchand, 3-Uini Atonio, 4-Thibaud Flament, 5-Romain Taofifenua, 6-Francois Cros, 7-Charles Ollivon, 8-Gregory Alldritt.
Replacements: 16-Peato Mauvaka 17-Reda Wardi, 18-Sipili Falatea, 19-Bastien Chalureau, 20-Sekou Macalou, 21-Maxime Lucu, 22-Yoram Moefana, 23-Melvyn Jaminet.
