The 3rd federal electoral district of Guerrero () is one of the 300 electoral districts into which Mexico is divided for elections to the federal Chamber of Deputies and one of eight such districts in the state of Guerrero.

It elects one deputy to the lower house of Congress for each three-year legislative period by means of the first-past-the-post system. Votes cast in the district also count towards the calculation of proportional representation ("plurinominal") deputies elected from the fourth region.

The current member for the district, elected in the 2024 general election, is of the Ecologist Green Party of Mexico (PVEM).

District territory Guerrero lost a congressional seat in the 2023 redistricting process carried out by the National Electoral Institute (INE), but the 3rd district was unaffected by the resulting boundary changes. Under the new districting plan, which is to be used for the 2024, 2027 and 2030 federal elections, it covers the state's Costa Grande region, running from the western outskirts of Acapulco to the border with the state of Michoacán. It comprises 387 electoral precincts () across eight municipalities:

Atoyac, Benito Juárez, Coahuayutla, Coyuca de Benítez, La Unión, Petatlán, Tecpan and Zihuatanejo, all of which, except for Atoyac and Coahuayutla, have coastlines along the Pacific.

The head town (), where results from individual polling stations are gathered together and tallied, is the port city of Zihuatanejo. The district reported a population of 427,165 in the 2020 census.

Previous districting schemes + Evolution of electoral district numbers 1974 1978 1996 2005 2017 2023 Guerrero 6 10 10 9 9 8 Chamber of Deputies 196 300Sources: Because of shifting population patterns, Guerrero currently has two fewer districts than the ten the state was assigned under the 1977 electoral reforms that set the national total at 300.

2017–2022 Between 2017 and 2022, the 3rd district had the same configuration as under the 2023 plan, despite the state having an additional district.

2005–2017 Guerrero had nine districts under the 2005 districting plan. The 3rd district was located in the Costa Grande region, with almost the same composition as in the later plans: the southernmost municipality of Coyuca de Benítez, adjacent to Acapulco, was assigned to the seventh district. The head town was at Zihuatanejo.

1996–2005 Under the 1996 districting plan, which allocated Guerrero ten districts, the district comprised the same seven municipalities as in the 2005 plan, with its head town at Zihuatanejo. The link contains maps of the 2005 and 1996 schemes.

1978–1996 The districting scheme in force from 1978 to 1996 was the result of the 1977 electoral reforms, which increased the number of single-member seats in the Chamber of Deputies from 196 to 300. Under that plan, Guerrero's district allocation rose from six to ten. The 3rd district was located inland: it had its head town at Coyuca de Catalán and it covered the municipalities of Ajuchitlán del Progreso, Apaxtla, Coahuayutla, Coyuca de Catalán, General Heliodoro Castillo, Leonardo Bravo, Pungarabato, San Miguel Totolapan, Zirándaro and Zumpango del Río.

Deputies returned to Congress

+ Guerrero's 3rd district Election Deputy Party Term Legislature1973Alejandro Cervantes Delgado1973–197649th Congress1976Miguel Bello Pineda1976–197950th Congress1979Aristeo Roque Jaimes Núñez1979–198251st Congress1982Rafael Armenta Ortiz1982–198552nd Congress1985Alicia Buitrón Brugada1985–198853rd Congress1988Valdemar Soto Jaimes1988–199154th Congress1991Hugo Arce Norato1991–199455th Congress1994Netzahualcóyotl de la Vega1994–199756th Congress19971997–200057th Congress2000Celestino Bailón Guerrero2000–200358th Congress2003Francisco Chavarría Valdeolívar2003–200659th Congress2006Amador Campos AburtoSecundino Catarino Crispín2006–2009200860th Congress2009Armando Ríos PiterElia Blanco Sánchez2009–2012201061st Congress2012Silvano Blanco Deaquino2012–201562nd Congress2015Ricardo Ángel Barrientos Ríos2015–201863rd Congress2018Carmen Cabrera Lagunas2018–202164th Congress2021Luis Edgardo Palacios Díaz2021–202465th Congress20242024–202766th Congress

Presidential elections + Guerrero's 3rd district Election District won by Party or coalition % 2018Andrés Manuel López Obrador Juntos Haremos Historia 66.51582024Claudia Sheinbaum Pardo Sigamos Haciendo Historia 76.8875

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