K-4 Senatorial Slate
| Name | Party | Occupation | Elected |
|---|---|---|---|
| Robert Barbers | Lakas-CMD | Senator | Lost |
| Rodolfo "Pong" Biazon | Liberal | Senator and father of Muntinlupa City Cong. Rozzano Ruffino "Ruffy" Biazon. | Won |
| Pilar Juliana "Pia" Cayetano | Lakas-CMD | Lawyer, Environmentalist and daughter of the late Senator Renato Cayetano (1998-2003). | Won |
| Richard Gordon | Lakas-CMD | former Secretary of Tourism and former Chairman of the Subic Bay Metropolitan Authority. | Won |
| Parouk Hussin | Lakas-CMD | former Governor of the Autonomous Region in Muslim Mindanao. | Lost |
| Robert Jaworski | Lakas-CMD | Senator | Lost |
| Manuel Lapid | Lakas-CMD | Governor of Pampanga, movie and TV personality | Won |
| Orlando S. Mercado | Independent | former Secretary of National Defense and former Senator | Lost |
| John Henry Osmeña | NPC | Senator | Lost |
| Manuel Roxas II | Liberal | former Secretary of Trade and Industry and former Representative from Capiz. He is the grandson of former President Manuel Roxas and son of former Senator Gerry Roxas. | Won |
| Ramon Revilla, Jr. | Lakas-CMD | former Chairman of the Optical Media Board (anti- media piracy arm of the government), former Governor of Cavite, movie and TV personality | Won |
| Miriam Defensor-Santiago | PRP | former Senator and PRP 1992 and 1998 Presidential nominee (lost to Fidel Ramos and Joseph Estrada respectively) | Won |
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