| Oscar Gladu | |
| Smallimage: | Joseph Ernest Oscar Gladu.jpg |
| Constituency Mp: | Yamaska |
| Parliament: | Canadian |
| Predecessor: | Roch Moïse Samuel Mignault |
| Successor: | Albéric-Archie Mondou |
| Term Start: | 1904 |
| Term End: | 1911 |
| Predecessor2: | Albéric-Archie Mondou |
| Successor2: | Aimé Boucher |
| Term Start2: | 1917 |
| Term End2: | 1920 |
| Birth Date: | 25 October 1870 |
| Birth Place: | Saint-François-du-Lac, Yamaska County, Quebec, Canada |
| Birth Name: | Joseph-Ernest-Oscar Gladu |
| Party: | Liberal |
| Relations: | Victor Gladu, father |
| Occupation: | notary |
Joseph Ernest Oscar Gladu (October 25, 1870 - December 25, 1920) was a Canadian politician,[1] who served in the House of Commons of Canada from 1904 to 1911, and from 1917 to 1920.[2]
Born in Saint-François-du-Lac, Yamaska County, Quebec, the son of Victor Gladu and Mary Gill, Gladu was educated at St. Mary's Jesuit College in Montreal, Quebec. A notary by profession,[2] he was first elected to the House of Commons of Canada for the electoral district of Yamaska in the general elections of 1904. A Liberal, he was re-elected in 1908 and was defeated in 1911. He was re-elected in 1917. He died in office in 1920.[3]