| Sascha Viertl | |
| Birth Date: | 1 November 1990 |
| Birth Place: | Austria |
| Currentclub: | SV Leobendorf |
| Clubnumber: | 8 |
| Position: | Midfielder |
| Youthyears1: | 1997–2007 |
| Youthclubs1: | Austria Wien |
| Years1: | 2007 |
| Clubs1: | PSV Team für Wien |
| Caps1: | 2 |
| Goals1: | 0 |
| Years2: | 2007–2008 |
| Clubs2: | SC Mannswörth |
| Caps2: | 9 |
| Goals2: | 1 |
| Years3: | 2008–2017 |
| Clubs3: | Floridsdorfer AC |
| Caps3: | 216 |
| Goals3: | 8 |
| Years4: | 2017– |
| Clubs4: | SV Leobendorf |
| Caps4: | 91 |
| Goals4: | 2 |
| Pcupdate: | 19:24, 27 March 2023 (UTC) |
Sascha Viertl (born 1 November 1990) is an Austrian footballer who currently plays as a midfielder for SV Leobendorf.