Chilean parliamentary election, 2005 Senate Senate

| Cons_ | Democratic_Coalition | Alliance | Together_We_Can_Do_More | Independent_Regional_Force | Independents |
|---|---|---|---|---|---|
| 2nd | (R) Carmen Frei ( PDC ) | (R) Carlos Cantero ( RN ) | Salvador Barrientos ( PC ) | Luis Thompson (Ind.) | none |
| 2nd | José Antonio Gómez ( PRSD ) | Cristián Leay ( UDI ) | José Gabriel Feres ( PH ) | Humberto Zuleta (Ind.) | none |
| 4th | (R) Jorge Pizarro ( PDC ) | Arturo Longton ( RN ) | Luis Aguilera ( PC ) | none | none |
| 4th | Jorge Arrate ( PS ) | (R) Evelyn Matthei ( UDI ) | Joaquín Arduengo ( PH ) | none | none |
| 7th | (R) Andrés Zaldívar ( PDC ) | Roberto Fantuzzi (Ind.) | Gonzalo Rovira (Ind.) | none | none |