| Election Name: | 2013 Biñan mayoral election |
| Flag Image: | Binan city seal.jpg |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | Philippine_general_election,_2010 |
| Previous Year: | 2010 |
| Next Election: | 2016 Biñan local elections |
| Next Year: | 2016 |
| Election Date: | May 13, 2013 |
| Image1: | File:Rep. Marlyn Alonte-Naguiat (19th Congress).jpg |
| Nominee1: | Marlyn "Len-Len" Alonte-Naguiat |
| Party1: | Liberal Party (Philippines) |
| Running Mate1: | Walfredo Dimaguila, Jr. |
| Popular Vote1: | 25,935 |
| Percentage1: | 76.63 |
| Nominee2: | Joaquin Borja |
| Party2: | Independent (politician) |
| Popular Vote2: | 7,057 |
| Percentage2: | 19.53 |
| Nominee3: | Reynaldo Cardeño |
| Party3: | Nationalist People's Coalition |
| Running Mate3: | Rene Manabat (UNA) |
| Popular Vote3: | 851 |
| Percentage3: | 2.51 |
| Mayor | |
| Before Election: | Marlyn "Len-Len" Alonte |
| After Election: | Marlyn "Len-Len" Alonte |
| Before Party: | Liberal Party (Philippines) |
| After Party: | Liberal Party (Philippines) |
Local elections were held in Biñan on May 13, 2013, within the Philippine general election. The voters elected for the elective local posts in the city: the mayor, vice mayor, and ten councilors.
Incumbent Mayor Marlyn "Len-Len" Alonte-Naguiat decided to run as a re-electionist under the Liberal Party, her opponents are Reynaldo Cardeño, NPC's nominee and Joaquin Borja an independent candidate.
Mayor Marlyn's running mate is Walfredo Dimaguila, Jr. also under the Liberal Party.
The candidates for mayor and vice mayor with the highest number of votes wins the seat; they are voted separately, therefore, they may be of different parties when elected.
Voters will elect ten (10) councilors to comprise the City Council or the Sangguniang Panlungsod. Candidates are voted separately so there are chances where winning candidates will have unequal number of votes and may come from different political parties. The ten candidates with the highest number of votes win the seats.
|-|bgcolor=black colspan=5|