Sir Horace Archambeault (March 6, 1857 – August 25, 1918) was a Canadian politician, judge, and a faculty member in Quebec.

He was born in L'Assomption, Canada East, and studied classics and law. He moved to Montreal and created a law firm with partners. In 1881 he became a professor at Université Laval, eventually becoming the dean of the university's law school. In 1888, Archambeault replaced his father as representative for the division of Repentigny in the Legislative Council of Quebec, becoming its speaker and the attorney general of Quebec in 1897. He was appointed a judge for the Quebec Court of King's Bench in 1908 and became its chief justice in 1911. He was knighted in 1915 and died in Trois-Pistoles in 1918.

Early life, family, and education

Archambeault was born on March 6, 1857, in L'Assomption, Lower Canada. His father was Louis Archambeault and his mother was Marguerite-Élisabeth Dugal.

Archambeault was a student of classical studies at Collège de L'Assomption and Petit Séminaire de Québec. In 1878 he received a degree in law from Université Laval and was called to the bar. He moved to Montreal to begin a career as a lawyer. In 1881 he became a professor of commercial law and maritime law at the Université Laval's Montreal campus. He died on August 25, 1918, in Trois-Pistoles, Quebec. He was buried in the Notre Dame des Neiges Cemetery.