Étienne-Théodore Pâquet (French pronunciation: ?[p?k?t]; January 8, 1850 – May 26, 1916) was a French-Canadian civil law notary,provincial politician and civil servant.
In 1879, he was one of four Liberal Members of the Legislative Assembly who crossed the floor in the middle of a parliamentary crisis, causing the Joly-de-Lotbinière government to fall.