Jean-Marie Cossette (October 30, 1928 – April 28, 2007) was an aerial photographer, newspaper manager, and activist in the Canadian province of Quebec.
His third tenure as president was unexpected; he was elected at the party's annual convention following the surprise resignation of Gilles Rhéaume.
[4] During the 1980 Canadian federal election, Cossette said that he would support any party that would pledge to abolish the War Measures Act and uphold the Keable Commission into police wrongdoing during the October Crisis.
[6] In 1992, Cossette announced plans to organize a class-action lawsuit on behalf of people who were arrested during the 1970 October Crisis.
[7] In 2001, he received the Saint-Jean-Baptiste Society's Prix Patriote de l'année for his lifetime of work in support of the sovereigntist cause.