| Theodore Harden | |
| Constituency Am1: | Mitchell |
| Assembly1: | Queensland Legislative |
| Term Start1: | 3 August 1957 |
| Term End1: | 30 June 1971 |
| Predecessor1: | John Jones |
| Successor1: | Edward Lamb |
| Birth Date: | 1830 |
| Birth Place: | Ghent, Belgium |
| Death Date: | 1900 |
| Death Place: | Sydney, New South Wales, Australia |
| Birthname: | Theodore Harden |
| Nationality: | Belgian Australian |
| Occupation: | Sheep station manager |
Theodore Harden (1830 – 1900) was a member of the Queensland Legislative Assembly.[1]
Harden won the seat of Mitchell in 1866. He resigned later in the year because he was elected against his knowledge and wishes.[1] His brother Henry was a member of the Queensland Legislative Council.[1]