| Siaka Bagayoko | |
| Fullname: | Siaka Bagayoko |
| Birth Date: | 4 July 1998 |
| Birth Place: | Bamako, Mali |
| Height: | 1.72 m |
| Years1: | 2016 |
| Clubs1: | Djoliba AC |
| Caps1: | ? |
| Goals1: | ? |
| Years2: | 2016–2017 |
| Clubs2: | Stade Malien |
| Caps2: | ? |
| Goals2: | ? |
| Years3: | 2017 |
| Clubs3: | Anagennisi Karditsa |
| Caps3: | 9 |
| Goals3: | 0 |
| Years4: | 2018–2019 |
| Clubs4: | Djoliba AC |
| Caps4: | ? |
| Goals4: | ? |
| Years5: | 2019–2020 |
| Clubs5: | CS Sfaxien |
| Caps5: | 4 |
| Goals5: | 0 |
| Years6: | 2020 |
| Clubs6: | Djoliba AC |
| Caps6: | ? |
| Goals6: | ? |
| Years7: | 2021–2022 |
| Caps7: | 15 |
| Goals7: | 0 |
| Years8: | 2022–2024 |
| Caps8: | ? |
| Goals8: | ? |
| Years9: | 2024 |
| Caps9: | ? |
| Goals9: | ? |
| Years10: | 2024– |
| Caps10: | ? |
| Goals10: | ? |
| Nationalyears1: | 2015 |
| Nationalteam1: | Mali U17 |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 1 |
| Nationalyears2: | 2017 |
| Nationalteam2: | Mali U20 |
| Nationalcaps2: | 3 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2019 |
| Nationalteam3: | Mali U23 |
| Nationalcaps3: | 3 |
| Nationalgoals3: | 0 |
| Nationalyears4: | 2019– |
| Nationalteam4: | Mali |
| Nationalcaps4: | 11 |
| Nationalgoals4: | 1 |
| Pcupdate: | 30 August 2022 |
| Ntupdate: | 15 June 2021 |
Siaka Bagayoko (born 4 July 1998) also known as Chato, is a Malian football defender.
Scores and results list Mali's goal tally first.