| Mario Sonnleitner | |
| Birth Date: | 8 October 1986 |
| Birth Place: | Vorau, Austria |
| Height: | 1.81 m |
| Position: | Defender |
| Youthyears1: | 1994–2000 |
| Youthyears2: | 2000–2003 |
| Youthclubs1: | SV Grambach |
| Youthclubs2: | Grazer AK |
| Years1: | 2003–2004 |
| Years2: | 2004–2005 |
| Years3: | 2005–2007 |
| Years4: | 2007–2010 |
| Years5: | 2010–2021 |
| Years6: | 2021–2023 |
| Clubs1: | Grazer AK |
| Clubs2: | Kapfenberger SV |
| Clubs3: | Grazer AK |
| Clubs4: | Sturm Graz |
| Clubs5: | Rapid Wien |
| Clubs6: | TSV Hartberg |
| Caps1: | 0 |
| Caps2: | 36 |
| Caps3: | 46 |
| Caps4: | 83 |
| Caps5: | 265 |
| Caps6: | 42 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 1 |
| Goals4: | 2 |
| Goals5: | 22 |
| Goals6: | 1 |
| Nationalyears1: | 2006–2008 |
| Nationalteam1: | Austria U21 |
| Nationalcaps1: | 17 |
| Nationalgoals1: | 0 |
| Club-Update: | 6 June 2023 |
Mario Sonnleitner (born 8 October 1986) is an Austrian professional footballer.
A native of Vorau, Sonnleitner began playing club football with Grazer AK, signing his first professional contract on 1 July 2004 and stayed there for 3 years, before moving up the road to Sturm Graz on the 21 June 2007.[1]
Signed on a free transfer, Sonnleitner joined Sturm Graz in 2010 and captained the side until moving to Rapid Wien.[2]
He has represented Austria at U21 level.