| Alt Name: | Vecinos en guerra |
| Genre: | Romantic comedy |
| Creator: | Sebastián Ortega |
| Director: | Miguel Colom Javier Pérez Pablo Ambrosini |
| Theme Music Composer: | Icona Pop featuring Charli XCX |
| Opentheme: | "I Love It" |
| Country: | Argentina |
| Location: | Buenos Aires |
| Language: | Spanish |
| Num Seasons: | 1 |
| Num Episodes: | 146 |
| Executive Producer: | Gustavo Errico |
| Producer: | Sebastián Ortega Pablo Culell |
| Runtime: | 60 minutes |
| Channel: | Telefe |
| Related: | Graduados |
Los vecinos en guerra (Spanish; Castilian: Neighbors at war), also stylized as Vecinos en guerra, is an Argentine television comedy produced by Underground Contenidos and Endemol which premiered on April 15, 2013 and ended on January 2, 2014. Written by Ernesto Korovsky, Silvina Frejdkes and Alejandro Quesada, it is an original idea of Sebastián Ortega, with the integral management of Miguel Colom. It stars an ensemble cast including Diego Torres, Eleonora Wexler, Mónica Antonópulos, Marco Antonio Caponi, Mike Amigorena, and Juan Gil Navarro.
Mercedes Maidana, a 40-year-old housewife, was part of a group of scammers twenty years prior and nobody in her current life knows about this. In the past, her name was Lisa and she worked with Álex López, who recruited her for this type of tasks and became her first love, and Ciro Nieto, with whom he planned and financed the scams. A robbery failed and the group disbanded. Mercedes, with a changed identity, began a new life away from scams. She married Rafael Crespo and they had three children, who know absolutely nothing about their past, while living a normal life. One morning, they discover that a new family, the Mayorga, moves to the most luxurious and sought-after house in the neighborhood. Mercedes is shocked to learn that the family man is Álex, whom she believed dead. Ciro leaves prison after twenty years and begins serving house arrest. He seeks revenge from his former partners for the crime he blames for having been imprisoned from his residence. The return of Álex to the life of Mercedes aims to conquer her again and to achieve his purpose he is in charge of hiring a group of actors to pretend to be a normal family and thus, be able to be close to Mercedes without attracting attention.
The 2013 prime time of Argentine television is highly disputed by the channels El Trece and Telefe. El Trece airs Solamente Vos and Farsantes, and Telefe airs Los Vecinos en Guerra and Celebrity Splash!, both channels with similar ratings.[1]