Jean-Serge Brisson (born June 28, 1954) is a Canadian political activist, tax reform advocate, politician, and author.

He is a former leader of the Libertarian Party of Canada and gained national notoriety in the 1990s for his opposition to businesses being forced to collect the provincial sales tax (PST) without being remunerated.

Brisson was born in Embrun, Ontario, a small village to the east of Ottawa and raised on a dairy farm.

[3] Following three unsuccessful attempts (including a narrow miss in 2000), Brisson was elected to the municipal council of Russell Township in November 2003 with 1,639 votes.

[9] Brisson's nephew, Marc-Antoine Gagnier, was the author, radio host and politic's candidate in three times[10] Bold indicates parties with members elected to the House of Commons.