Chilean parliamentary election, 2005 Senate Senate

| Cons_ | Democratic_Coalition | Alliance | Together_We_Can_Do_More | Independent_Regional_Force | Independents |
|---|---|---|---|---|---|
| 12th | Alejandro Navarro ( PS ) | Carlos Bombal ( UDI ) | Wilfredo Alfsen ( PH ) | none | none |
| 13th | (R) Mariano Ruiz-Esquide ( PDC ) | (R) Mario Ríos ( RN ) | Marta Morales ( PC ) | none | none |
| 13th | Eleodoro Torres (Ind.) | Víctor Pérez ( UDI ) | Gloria Mujica ( PH ) | none | none |
| 16th | Eduardo Frei ( PDC ) | Andrés Allamand ( RN ) | Guillermo Tripailaf ( PC ) | Raúl Silva ( ANI ) | none |
| 16th | Marcos Saldías ( PRSD ) | Andrés Allamand ( RN ) | Hugo Gerter (Ind.) | Carlos Boero ( ANI ) | none |
| 17th | (R) Sergio Páez ( PDC ) | Carlos Kuschel ( RN ) | Irma Alvarado ( PC ) | José Luis Cáceres (Ind.) | none |