Harry Slater (politician)
 Harry Slater (May 24 1863 – January 11 1936) was a Canadian politician.Born in Portsmouth England Slater emigrated to Quebec in 1890 where he worked as a bookkeeper for the Montreal company Moffat Blocking before becoming president of Lachute Knitting. He was mayor of Lachute from 1903 to 1905. He ran unsuccessfully for the Legislative Assembly of Quebec for the riding of Argenteuil in a 1910 by-election. A Conservative he was elected in 1912 and defeated in 1916.