Candidates in the 2013 Philippine Senate election

These are the people who, at one time or another, had been considered, announced, declined or withdrew his or her candidacy in the 2013 Philippine Senate election.

Qualified candidates
These are the commission's approved candidates:

Disqualified candidates/Withdrawn
The following individuals have submitted their certificates of candidacies to the Commission on Elections main office at Intramuros, Manila, but were not included in the official list of candidates.

Withdrew candidacy

 * Ruffy Biazon (Liberal), incumbent Commissioner of the Bureau of Customs and 2010 senatorial candidate. He was among the first four announced candidates of the Liberal Party. In the following weeks since, however, he was not certain of his candidacy. On September 25, he announced that he will not run for the Senate in 2013 and will stay instead at the BOC. His father, former Senator and incumbent Muntinlupa Rep. Rodolfo Biazon is seen as his replacement in the LP ticket.
 * Joey de Venecia (PDP–Laban), businessman, whistleblower of the Philippine National Broadband Network controversy and 2010 senatorial candidate. He is among the first five bets of the UNA coalition.
 * Gwendolyn Garcia (PDP–Laban/One Cebu), incumbent Governor of Cebu. She was included in the UNA ticket after she took her oath as member of PDP–Laban on May 25, 2012. On September 20, Vice President Jejomar Binay announced that Garcia will run for the House of Representatives instead.
 * Win Gatchalian (NPC), incumbent Mayor of Valenzuela. He was on the shortlist of the LP-NP-NPC coalition ticket. He withdrew his Senatorial plans September 25.
 * Alma Moreno (Lakas-CMD), actress, incumbent Councilor of Parañaque, and national president of the Philippine Councilors League. She announced her candidacy in May 2011, but withdrew on September 5 after it was announced that Moreno is suffering from multiple sclerosis.
 * Danton Remoto, chairman emeritus of Ang Ladlad, an LGBT political party. On May 18, he announced his intention to run for the Senate. But, he did not file his certificate of candidacy at COMELEC.
 * Lorenzo Tañada III (Liberal), incumbent Representative from Quezon and Deputy Speaker of the House of Representatives. He was included in the LP slate shortlist, but volunteered to withdraw from the race, according to Pres. Aquino III.
 * Joel Villanueva, incumbent Secretary-General of the Technical Education and Skills Development Authority. He was among the first four announced candidates of the Liberal Party. On September 24, he announced that he was advised by Pres. Benigno Aquino III not to run for any elective position, and instead remain in TESDA for the time being.
 * Israel Virgines (Bangon Pilipinas), stating that his party is giving way "to a more capable leader".

Declined candidacy
The following individuals have been speculated as probable senatorial candidates, but have denied interest publicly.
 * Florencio Abad, incumbent Secretary of Budget and Management
 * Oscar V. Cruz, retired Archbishop of Lingayen-Dagupan
 * Sara Duterte, incumbent Mayor of Davao City
 * Gary Estrada, actor and incumbent Provincial Board member of Quezon
 * Lani Mercado, incumbent Representative from Cavite chose to defend her seat in the House of Representatives.
 * Leni Robredo, widow of former Interior and Local Government Secretary Jesse Robredo chose to run for Camarines Sur's 2nd district's seat in the House of Representatives
 * Mar Roxas, incumbent Secretary of Department of the Interior and Local Government, former Senator, and 2010 vice-presidential candidate
 * Adel Tamano, lawyer, talk show host, and 2010 senatorial candidate
 * Gilbert Teodoro, former Secretary of National Defense and 2010 presidential candidate

Prospective candidates
The following individuals have been speculated as probable senatorial candidates, but did not run:

Former senators

 * Rodolfo Biazon, incumbent Representative from Muntinlupa, chose to defend his seat for Representative from Muntlnlupa's district instead

Others

 * Neric Acosta, former Representative from Bukidnon and 2010 senatorial candidate
 * Rodolfo Antonino, incumbent Representative from Nueva Ecija
 * Kris Aquino, television host and actress
 * Raul Bacalzo, retired Director General and former Chief of the Philippine National Police
 * Ricky Carandang, incumbent Secretary of the Presidential Communications Development and Strategic Planning Office
 * Leila de Lima, incumbent Secretary of Justice
 * Mike Enriquez, GMA-7 news broadcaster
 * Rodolfo Fariñas, incumbent Representative from Ilocos Norte
 * Roilo Golez, incumbent Representative from Parañaque
 * Edwin Lacierda, incumbent Presidential Spokesman
 * Danilo Lim, incumbent Deputy Commissioner for Intelligence of the Bureau of Customs, retired brigadier general, and 2010 senatorial candidate
 * Imee Marcos, incumbent Governor of Ilocos Norte, chose to run for the governorship of Ilocos Norte instead.
 * Grace Padaca, former Governor of Isabela, was appointed commissioner of the Commission on Elections instead.
 * Manuel L. Quezon III, incumbent Undersecretary of the Presidential Communications Development and Strategic Planning Office,
 * Roman Romulo, incumbent Representative from Pasig. chose to defend his seat for Representative from Pasig's district instead.
 * Joey Salceda, incumbent Governor of Albay
 * Korina Sanchez, ABS-CBN news broadcaster
 * Vic Sotto, Celebrity & Host
 * Niel Tupas, Jr., incumbent Representative from Iloilo, chose to defend his seat for Representative from Iloilo's 5th district instead.