| Landtag of Upper Austria | |
| Coa Pic: | Oberoesterreich Wappen.svg |
| Coa Res: | 60px |
| Foundation: | 1861 1920 |
| Leader1 Type: | President of the Landtag |
| Leader1: | Max Hiegelsberger |
| Structure1: | 2021 Upper Austrian state election - composition chart.svg |
| Structure1 Res: | 250px |
| Seats: | 56 |
| Political Groups1: | Government (33)
Opposition (23) |
| Term Length: | 6 years |
| Next Election1: | 2027 |
| Session Room: | Linz 2011 1 stitched.jpg |
| Session Res: | 250px |
| Website: | ooe-landtag.at |
The Landtag of Upper Austria is the unicameral parliament of Upper Austria, established in 1920.[1] The most recent election was the 2021 Upper Austrian state election.[2]