| Période | Nom | Nom | Pays | Âge | ||
|---|---|---|---|---|---|---|
| Entraîneur | ||||||
| 03/2026 - 12/2026 |  | Ronald Fuentes | R. Fuentes |  | Chili | 22.06.1969 |
| 11/2025 - 03/2026 |  | Gonzalo Villagra | G. Villagra | | Chili | 17.09.1981 |
| 06/2025 - 11/2025 |  | Miguel Ramírez | M. Ramírez | | Chili | 11.06.1970 |
| 05/2025 - 06/2025 | | Gonzalo Villagra | G. Villagra | | Chili | 17.09.1981 |
| 09/2024 - 05/2025 |  | José Luis Sierra | J. Sierra | | Chili | 05.12.1968 |
| 01/2024 - 09/2024 |  | Miguel Ponce | M. Ponce | | Chili | 19.08.1971 |
| 11/2022 - 12/2023 | | Ronald Fuentes | R. Fuentes | | Chili | 22.06.1969 |
| 09/2022 - 11/2022 |  | Gustavo Canales | G. Canales | | Chili | 30.03.1982 |
| 05/2021 - 09/2022 |  | César Bravo | C. Bravo | | Chili | 25.04.1973 |
| 02/2021 - 05/2021 |  | Jorge Pellicer | J. Pellicer | | Chili | 07.02.1966 |
| 01/2021 - 01/2021 | | César Bravo | C. Bravo | | Chili | 25.04.1973 |
| 08/2019 - 01/2021 | | Ronald Fuentes | R. Fuentes | | Chili | 22.06.1969 |
| 11/2018 - 08/2019 |  | Fernando Díaz | F. Díaz | | Chili | 27.12.1961 |
| 07/2016 - 12/2018 |  | Martín Palermo | M. Palermo |  | Argentine | 07.11.1973 |
| 04/2016 - 06/2016 |  | Vladimir Bigorra | V. Bigorra | | Chili | 09.08.1954 |
| 07/2015 - 04/2016 |  | Fernando Vergara | F. Vergara | | Chili | 13.05.1970 |
| 01/2011 - 05/2015 | | José Luis Sierra | J. Sierra | | Chili | 05.12.1968 |
| 10/2009 - 10/2009 | | José Luis Sierra | J. Sierra | | Chili | 05.12.1968 |
| 07/2009 - 12/2010 |  | Rubén Israel | R. Israel |  | Uruguay | 08.12.1955 † |
| 01/2009 - 06/2009 |  | Luis Carvallo | L. Carvallo | | Chili | 21.09.1949 |
| 07/2008 - 12/2008 |  | Jorge Garcés | J. Garcés | | Chili | 13.05.1954 |
| 01/2007 - 12/2008 |  | Marcelo Espina | M. Espina | | Argentine | 28.04.1967 |
| 01/2005 - 12/2005 | | Fernando Díaz | F. Díaz | | Chili | 27.12.1961 |
| 01/1999 - 12/2000 |  | Juvenal Olmos | J. Olmos | | Chili | 04.10.1962 |
| 07/1993 - 06/1996 |  | Nelson Acosta | N. Acosta | | Uruguay | 12.06.1944 |
| 01/1992 - 06/1992 | | Nelson Acosta | N. Acosta | | Uruguay | 12.06.1944 |
| 01/1989 - 12/1990 |  | Manuel Rodríguez | M. Rodríguez | | Chili | 18.04.1939 † |
| 07/1986 - 06/1987 |  | Héctor Pinto | H. Pinto | | Chili | 12.06.1951 |
| 01/1984 - 12/1985 |  | Orlando Aravena | O. Aravena | | Chili | 21.10.1942 † |
| 01/1980 - 12/1980 | | Orlando Aravena | O. Aravena | | Chili | 21.10.1942 † |
| 01/1978 - 12/1978 |  | Pedro García | P. García | | Chili | 03.04.1946 |
| 01/1973 - 12/1977 |  | Luis Santibáñez | L. Santibáñez | | Chili | 07.02.1936 † |
| 01/1971 - 12/1971 |  | Néstor Isella | N. Isella | | Argentine | 06.05.1937 † |
| 07/1966 - 12/1967 |  | Francisco Molina | F. Molina | | Chili | 29.03.1930 † |
| Entraîneur(s) adjoint(s) | ||||||
| 06/2025 - 11/2025 |  | Cristián Reynero | C. Reynero | | Chili | 25.08.1979 |
| 09/2024 - 11/2025 |  | Pedro Reyes | P. Reyes | | Chili | 13.11.1972 |
| 09/2022 - 11/2022 | | Gonzalo Villagra | G. Villagra | | Chili | 17.09.1981 |
| 10/2009 - 05/2015 | | Pedro Reyes | P. Reyes | | Chili | 13.11.1972 |
| Entraîneur des gardiens | ||||||
| 06/2025 - 11/2025 |  | Andres Parada | A. Parada | | Chili | 20.03.1984 |
| 09/2024 - 05/2025 |  | Eduardo Azargado | E. Azargado | | Chili | 03.02.1964 |
Unión Española