Romuald-Charlemagne Laurier (7 January 1852 – 28 December 1906) was a Canadian politician.
Born in Saint-Lin, Canada East, the son of Carolus Laurier and Adeline Ethier, he was the half-brother to the Prime Minister of Canada Sir Wilfrid Laurier. Laurier was educated at the Public School of St. Lin and was a general merchant by profession. He was first elected to the House of Commons of Canada for the riding of L'Assomption in the general elections of 1900. A Liberal, he was re-elected in 1904 and died while in office in 1906.
By-election: On Mr. Laurier's death, 28 December 1906