The Canadian Taxpayers Federation (CTF; French: Fédération canadienne des contribuables) is a federally incorporated, non-profit organization in Canada. It claimed 30,517 donors and 215,009 supporters in 2018–19. Voting membership, however, is restricted to the board of directors. According to its by-laws, the board "can have as few as three and as many as 20" members. In 2017, it reportedly had a voting membership of six board members, and in 2020 it had four.