| Thallyson | |
| Fullname: | Thallyson Augusto Tavares Dias |
| Birth Date: | 1991 12, df=yes |
| Birth Place: | Campo Alegre, Brazil |
| Height: | 1.75m |
| Position: | Left back |
| Currentclub: | ASA |
| Youthyears1: | 2008–2010 |
| Youthclubs1: | CSA |
| Youthyears2: | 2011 |
| Youthclubs2: | ASA |
| Years1: | 2012–2014 |
| Caps1: | 42 |
| Goals1: | 1 |
| Years2: | 2015–2016 |
| Caps2: | 0 |
| Goals2: | 0 |
| Years3: | 2015 |
| Clubs3: | → Fortaleza (loan) |
| Caps3: | 12 |
| Goals3: | 1 |
| Years4: | 2016 |
| Clubs4: | → Ferroviária (loan) |
| Caps4: | 0 |
| Goals4: | 0 |
| Years5: | 2016–2017 |
| Caps5: | 27 |
| Goals5: | 0 |
| Years6: | 2017 |
| Caps6: | 0 |
| Goals6: | 0 |
| Years7: | 2017–2018 |
| Caps7: | 7 |
| Goals7: | 0 |
| Years8: | 2018 |
| Clubs8: | → Novorizontino (loan) |
| Caps8: | 0 |
| Goals8: | 0 |
| Years9: | 2018–2019 |
| Caps9: | 1 |
| Goals9: | 0 |
| Years10: | 2019–2020 |
| Caps10: | 24 |
| Goals10: | 1 |
| Years11: | 2020–2021 |
| Caps11: | 18 |
| Goals11: | 0 |
| Years12: | 2022 |
| Caps12: | 18 |
| Goals12: | 0 |
| Years13: | 2022 |
| Caps13: | 6 |
| Goals13: | 0 |
| Years14: | 2023 |
| Caps14: | 10 |
| Goals14: | 0 |
| Years15: | 2023– |
| Caps15: | 0 |
| Goals15: | 0 |
| Club-Update: | 17:11, 1 March 2023 (UTC) |
Thallyson Augusto Tavares Dias (born 1 December 1991), simply known as Thallyson, is a Brazilian professional footballer who plays as a left back for ASA.
On 24 July 2020, Thallyson signed a two-year contract with Azerbaijan Premier League side Neftçi PFK.[1] On 30 June 2021, Neftçi announced that Thallyson had left the club after his contract was ended by mutual agreement.[2]