| Tadej Trdina | |
| Fullname: | Tadej Trdina |
| Birth Date: | 1988 1, df=yes |
| Birth Place: | Slovenj Gradec, SFR Yugoslavia |
| Currentclub: | SV Ruden |
| Clubnumber: | 17 |
| Position: | Forward |
| Youthyears1: | 1998–2007 |
| Youthclubs1: | SAK Klagenfurt |
| Years1: | 2007–2008 |
| Caps1: | 7 |
| Goals1: | 0 |
| Years2: | 2008–2012 |
| Clubs2: | SV Ruden |
| Caps2: | 111 |
| Goals2: | 97 |
| Years3: | 2012 |
| Clubs3: | SC Kalsdorf |
| Caps3: | 14 |
| Goals3: | 12 |
| Years4: | 2013–2014 |
| Clubs4: | SV Grödig |
| Caps4: | 37 |
| Goals4: | 14 |
| Years5: | 2013 |
| Clubs5: | → SV Grödig II |
| Caps5: | 1 |
| Goals5: | 1 |
| Years6: | 2014–2017 |
| Caps6: | 31 |
| Goals6: | 8 |
| Years7: | 2016 |
| Clubs7: | → Wolfsberger AC II |
| Caps7: | 3 |
| Goals7: | 1 |
| Years8: | 2017–2018 |
| Caps8: | 25 |
| Goals8: | 11 |
| Years9: | 2018–2019 |
| Caps9: | 14 |
| Goals9: | 2 |
| Years10: | 2019–2021 |
| Caps10: | 42 |
| Goals10: | 18 |
| Years11: | 2022– |
| Clubs11: | SV Ruden |
| Caps11: | 49 |
| Goals11: | 36 |
| Pcupdate: | 3 February 2024 |
Tadej Trdina (born 25 January 1988) is a Slovenian footballer who plays for SV Ruden as a forward.