| Birth Date: | 1989 4, df=yes |
| Birth Place: | Buenos Aires, Argentina |
| Position: | Fly-half |
| Currentclub: | Hindú |
| Amatyears1: | 2010 - 2017 |
| Amatteam1: | Hindú |
| Amatapps1: | 135 |
| Amatpoints1: | 1109 |
| Years1: | 2017 - 2020 |
| Clubs1: | Jaguares |
| Apps1: | 28 |
| Points1: | 18 |
| Years2: | 2019 |
| Clubs2: | Racing 92 |
| Apps2: | 6 |
| Points2: | 4 |
| Years3: | 2020 - 2021 |
| Clubs3: | Leicester Tigers |
| Apps3: | 5 |
| Points3: | 23 |
| Years4: | 2021–2022 |
| Apps4: | 8 |
| Points4: | 14 |
| Years5: | 2022 |
| Apps5: | 4 |
| Points5: | 25 |
| Years6: | 2023 |
| Clubs6: | Old Glory DC |
| Clubupdate: | 27 February 2023 |
| Repyears1: | 2009 |
| Repteam1: | Argentina U20 |
| Repcaps1: | 5 |
| Reppoints1: | 20 |
| Repyears2: | 2013–2018 |
| Repteam2: | Argentina XV |
| Repcaps2: | 15 |
| Reppoints2: | 107 |
| Repyears3: | 2016–2019 |
| Repcaps3: | 6 |
| Reppoints3: | 7 |
| Ru Ntupdate: | 16 September 2022 |
| Ru Sevensnationalyears1: | 2016– |
| Ru Sevensnationalteam1: | Argentina Sevens |
| Ru Sevensnationalcomp1: | 12 |
| Ru Sevensupdate: | 23 July 2022 |
Joaquín Díaz Bonilla (born 12 April 1989) is an Argentine rugby union player. His position is fly-half and plays for Old Glory DC of Major League Rugby (MLR) in the U.S.He was part of the national Argentina team, The Pumas.[1]
Bonilla played domestically in Argentina for Hindú Club in the Torneo de la URBA, before turning professional with the Super Rugby side Jaguares, both sides play in Buenos Aires. Diaz Bonilla started at fly half for Jaguares in the 2019 Super Rugby Final, where they lost to New Zealand's Crusaders.
During the 2019 Rugby World Cup Diaz Bonilla played for Racing 92 in France's Top 14 as cover for Finn Russell and Ben Volavola.[2]
Bonilla returned to the Jaguares for the aborted 2020 Super Rugby season, featuring in 3 games before the season was cut short due to coronavirus.
On 21 September 2020 he signed for Leicester Tigers in England's Premiership Rugby,[3] he made his debut as a replacement against London Irish but played only five times before his release was announced on 16 June 2021.[4]
On 15 August 2021 Bonilla joined, based in Durban, South Africa, for their debut United Rugby Championship season.[5]