| Election Name: | 2013 Calamba mayoral election |
| Flag Image: | Calamba, Laguna Seal.svg |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | Philippine_general_election,_2010 |
| Previous Year: | 2010 |
| Next Election: | 2016 Calamba mayoral election |
| Next Year: | 2016 |
| Election Date: | May 13, 2013 |
| Nominee1: | Justin Marc SB. Chipeco |
| Party1: | Nacionalista Party |
| Running Mate1: | Roseller Rizal |
| Popular Vote1: | 66,802 |
| Percentage1: | 49.54% |
| Nominee2: | Severino Lajara |
| Party2: | Partido Demokratiko Pilipino-Lakas ng Bayan |
| Running Mate2: | Angelito Lazaro, Jr. |
| Popular Vote2: | 63,145 |
| Percentage2: | 46.82% |
| Nominee3: | Joel Paner |
| Party3: | Makabayang Koalisyon ng Mamamayan |
| Popular Vote3: | 4,676 |
| Percentage3: | 3.47% |
| Mayor | |
| Before Election: | Joaquin Chipeco, Jr. |
| After Election: | Justin Marc SB. Chipeco |
| Before Party: | Liberal Party (Philippines) |
| After Party: | Nacionalista Party |
Local elections were held in Calamba, Laguna, on May 13, 2013, within the Philippine general election, for posts of the mayor, vice mayor and ten councillors.
The incumbent mayor, Joaquin "Jun" Chipeco, Jr., decided to run for the position of representative of the 2nd District of Laguna under the Liberal Party. His son, Justin Marc SB Chipeco, the incumbent Laguna's 2nd district representative ran for mayor of Calamba under Nacionalista Party. His opponent was the former vice-mayor Severino Lajara under PDP-Laban.
The candidates for mayor and vice mayor with the highest number of votes win. They are voted for separately. Therefore, they may be of different parties when elected.
Voters elected ten councilors to comprise the City Council or the Sangguniang Panlungsod. Candidates are voted for separately so winning candidates may come from different political parties. The ten candidates with the highest number of votes win the seats. |-|bgcolor=black colspan=5|
Supporters of the mayoral candidate Severino Lajara stormed city hall to protest against the suspension of the canvassing votes. They believed the results of the elections were being manipulated.[1]
The mayoral race in Calamba was neck and neck between Lajara and Chipeco. Police kept a close watch on the Commission on Elections (Comelec) office in Calamba.