Louis-Adélard Senécal (July 10, 1829 – October 11, 1887) was a Quebec businessman and political figure. He was a Conservative member in the 1st Canadian Parliament representing Drummond—Arthabaska, represented Yamaska in the Legislative Assembly of Quebec from 1867 to 1871 and was a member of the Senate of Canada for Mille Isles division in 1887. He was named to the Senate in January 1887 but died in Montreal later that year. He was entombed at the Notre Dame des Neiges Cemetery in Montreal.