| Type: | Bishop |
| Honorific-Prefix: | His Excellency |
| Waldo Rubén Barrionuevo Ramírez | |
| Vicar Apostolic of Reyes | |
| Appointed: | 1 June 2019 |
| Term End: | 7 July 2022 |
| Predecessor: | Carlos Bürgler |
| Previous Post: | Auxiliary Bishop of Reyes and Titular Bishop of Vulturaria (2014–2019) |
| Ordination: | 25 October 1997 |
| Consecration: | 14 May 2014 |
| Consecrated By: | Carlos Bürgler |
| Birth Date: | 9 September 1967 |
| Birth Place: | Oruro, Bolivia |
| Death Place: | La Paz, Bolivia |
| Motto: | ADVENIAT REGNUM TUUM |
| Coat Of Arms: | Coat of arms of Waldo Ruben Barrionuevo Ramirez.svg |
| Waldo Rubén Barrionuevo Ramırez | |
| Dipstyle: | |
Waldo Rubén Barrionuevo Ramírez (9 September 1967 – 7 July 2022) was a Bolivian Roman Catholic bishop.
Barrionuevo Ramirez was born in Bolivia and was ordained to the priesthood in 1997. He served as auxiliary bishop and Vicar Apostolic of the Apostolic Vicariate of Reyes from 2014 until his death in 2022.[1]