| Óscar Ruiz | |
| Fullname: | Óscar Ramón Ruiz Roa |
| Birth Date: | 1991 5, df=yes |
| Birth Place: | Asunción, Paraguay |
| Height: | 1.71 m |
| Position: | Winger |
| Currentclub: | Tacuary |
| Clubnumber: | 11 |
| Youthyears1: | 2005–2010 |
| Youthclubs1: | Libertad |
| Years1: | 2010–2011 |
| Clubs1: | Libertad |
| Caps1: | 5 |
| Goals1: | 0 |
| Years2: | 2011 |
| Clubs2: | General Caballero ZC |
| Caps2: | 19 |
| Goals2: | 1 |
| Years3: | 2012 |
| Clubs3: | Guarani |
| Caps3: | 6 |
| Goals3: | 0 |
| Years4: | 2012 |
| Clubs4: | Rubio Ñu |
| Caps4: | 10 |
| Goals4: | 1 |
| Years5: | 2013–2015 |
| Clubs5: | Deportivo Capiatá |
| Caps5: | 70 |
| Goals5: | 13 |
| Years6: | 2015–2016 |
| Clubs6: | Libertad |
| Caps6: | 10 |
| Goals6: | 0 |
| Years7: | 2015 |
| Clubs7: | → Sportivo Luqueño (loan) |
| Caps7: | 25 |
| Goals7: | 3 |
| Years8: | 2016 |
| Clubs8: | → Deportivo Capiatá (loan) |
| Caps8: | 39 |
| Goals8: | 13 |
| Years9: | 2017–2021 |
| Clubs9: | Cerro Porteño |
| Caps9: | 148 |
| Goals9: | 36 |
| Years10: | 2021–2022 |
| Clubs10: | Bahia |
| Caps10: | 25 |
| Goals10: | 1 |
| Years11: | 2022 |
| Clubs11: | → Juventude (loan) |
| Caps11: | 24 |
| Goals11: | 5 |
| Years12: | 2023– |
| Clubs12: | Tacuary |
| Caps12: | 35 |
| Goals12: | 5 |
| Nationalyears1: | 2007 |
| Nationalcaps1: | 11 |
| Nationalgoals1: | 2 |
| Nationalyears2: | 2011 |
| Nationalcaps2: | 10 |
| Nationalgoals2: | 2 |
| Nationalyears3: | 2014– |
| Nationalteam3: | Paraguay |
| Nationalcaps3: | 2 |
| Nationalgoals3: | 0 |
| Club-Update: | 5 November 2023 |
| Nationalteam-Update: | 1 April 2015 |
Óscar Ramón Ruiz Roa (born 14 May 1991) is a Paraguayan professional footballer who plays as a left winger for Tacuary.
Ruiz played in different clubs of Paraguay starting with Libertad, General Caballero ZC, Guarani, Rubio Ñu and Deportivo Capiatá.
On 31 March 2021, Ruiz moved abroad for the first time in his career, signing a three-year deal with the Bahia.[1]
Ruiz's first call up was for a friendly match against Peru in November 2014.[2]
Cerro Porteño
Bahia