| Hubert Sizer | |
| Constituency Am1: | Nundah |
| Assembly1: | Queensland Legislative |
| Term Start1: | 16 March 1918 |
| Term End1: | 15 May 1923 |
| Predecessor1: | Thomas Bridges |
| Successor1: | Wiliam Kelso |
| Constituency Am2: | Sandgate |
| Assembly2: | Queensland Legislative |
| Term Start2: | 15 May 1923 |
| Term End2: | 11 May 1935 |
| Predecessor2: | New seat |
| Successor2: | Roland Hislop |
| Birth Date: | 7 August 1893 |
| Birth Place: | Cambridge, Cambridgeshire, England |
| Death Place: | Murrindindi, Victoria, Australia |
| Birthname: | Hubert Ebenezer Sizer |
| Otherparty: | United Party of Queensland, Country and Progressive National Party |
| Spouse: | Florence Jane Sturgiss (m. 1917 d. 1920), Ruby Ann Hawkins (m. 1923) |
| Occupation: | Journalist |
Hubert Ebenezer Sizer (7 August 1893 - 4 May 1973)[1] was an Australian politician. He was a member of the Legislative Assembly of Queensland from 1918 to 1935, representing Nundah until 1923 and Sandgate thereafter. He was a member of the National, the United Party of Queensland, and then the Country and Progressive National parties.[2]