The 5th Legislative Assembly of Quebec was the provincial legislature in Quebec, Canada that existed from December 2, 1881, to October 14, 1886. The Quebec Conservative Party led Joseph-Adolphe Chapleau, Joseph-Alfred Mousseau and John Jones Ross was the governing party. Chapleau was succeeded by Mousseau in 1882 while Ross succeeded Mousseau in 1884. It was the Conservatives last majority government.
The sixty-five members were each elected in a single-member district through First past the post.