| Santiago Grondona | |
| Birth Date: | 25 July 1998 |
| Birth Place: | Buenos Aires, Argentina |
| Height: | 1.980NaN0 |
| Weight: | 1100NaN0 |
| Position: | Flanker, Number 8 |
| Currentclub: | Bristol Bears |
| Years1: | 2019 |
| Clubs1: | Jaguares XV |
| Apps1: | 8 |
| Points1: | 0 |
| Years2: | 2020 |
| Clubs2: | Jaguares |
| Apps2: | 1 |
| Points2: | 0 |
| Years3: | 2022–2023 |
| Clubs3: | Exeter Chiefs |
| Apps3: | 19 |
| Points3: | 20 |
| Years4: | 2023 |
| Apps4: | 8 |
| Points4: | 10 |
| Years5: | 2023– |
| Clubs5: | Bristol Bears |
| Apps5: | 0 |
| Points5: | 0 |
| Repyears1: | 2018 |
| Repteam1: | Argentina U20 |
| Repcaps1: | 4 |
| Reppoints1: | 5 |
| Repyears2: | 2018–2021 |
| Repteam2: | Argentina XV |
| Repcaps2: | 3 |
| Reppoints2: | 5 |
| Repyears3: | 2020– |
| Repteam3: | Argentina |
| Repcaps3: | 15 |
| Reppoints3: | 0 |
| Clubupdate: | 28 August 2023 |
| Repupdate: | 28 August 2023 |
Santiago Grondona (born 25 July 1998) is an Argentine professional rugby union player who plays as a flanker for Premiership Rugby club Bristol Bears and the Argentina national team.[1]
On 21 November 2019, he was named in the Jaguares squad for the 2020 Super Rugby season.[2] [3] [4]