The (in French sɔsjete dɛ fis də la libɛʁte/, Society of the Sons of Liberty) was a paramilitary organization founded in August 1837 in Lower Canada (modern-day Quebec).
The society was founded by young supporters of the who became impatient with the pace of progress of the movement for constitutional and parliamentary reforms. One of the principal founder was young Amédée Papineau, the son of the famous politician Louis-Joseph Papineau. The organization took its name from the American Sons of Liberty founded by Samuel Adams during the American Revolution.
The held its first public assembly on September 5 and began to recruit men to form militias. A public assembly was held every Monday after its foundation. It published a manifesto on October 4 and adopted a national anthem for Canada. The organization had two sections: a civil one, led by André Ouimet, Louis-Joseph Papineau and Edmund Bailey O'Callaghan and a military one, led by Thomas Storrow Brown.
Amédée Papineau came up with the motto of the société En avant (French for "go forward").
Various organizations had already been formed who pressured the Governor Lord Gosford to act and quell the upcoming rebellion before lives were lost and property destroyed. At the Assemblée des Six-Comtés, on October 23, those in attendance sanctioned the . However, the organization disappeared shortly after the confrontation with the Doric Club on November 6.
Following the November 16 order to arrest 26 Patriote leaders on charges of sedition, including Papineau, O'Callaghan, Brown and Ouimet, many members of the took part in the armed conflict of 1837 and the two invasion attempts of 1838.