Siltepec
{{Infobox settlement
| name = Siltepec
| settlement_type = Municipality
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| imagesize = 300px
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| image_map = File:Siltepec en Chiapas.svg
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| pushpin_map = Mexico
| pushpin_label_position = above
| pushpin_mapsize = 300
| pushpin_map_caption = Location in Mexico
| subdivision_type = Country
| subdivision_name = {{flag|Mexico}}
| subdivision_type1 = State
| subdivision_name1 = Chiapas
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| unit_pref = Imperial
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| area_total_km2 = 685.6
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| population_as_of = 2010
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| population_total = 38,143
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| coordinates = {{coord|15|33|N|92|20|W|region:MX|display=inline,title}}
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Siltepec is a town and municipality in the Mexican state of Chiapas in southern Mexico.
As of 2010, the municipality had a total population of 38,143,{{cite web|title=Siltepec|url=http://www.microrregiones.gob.mx/catloc/LocdeMun.aspx?tipo=clave&campo=loc&ent=07&mun=080|work=Catálogo de Localidades|publisher=Secretaría de Desarrollo Social (SEDESOL)|accessdate=23 April 2014}} up from 32,457 as of 2005.{{cite web|title=Siltepec|url=http://www.e-local.gob.mx/work/templates/enciclo/chiapas/municipios/07080a.htm|work=Enciclopedia de los Municipios de México|publisher=Instituto Nacional para el Federalismo y el Desarrollo Municipal Gobierno del Estado de Chiapas|accessdate=August 1, 2008|url-status=dead|archiveurl=https://web.archive.org/web/20070930033355/http://www.e-local.gob.mx/work/templates/enciclo/chiapas/municipios/07080a.htm|archivedate=September 30, 2007}} It covered an area of {{convert|685.6|km²|0|abbr=on}}.
The area and population of the municipality have since been reduced, after the western portions of its territory were split off to form the municipalities of Capitán Luis Ángel Vidal in 2017{{cite news |date=6 September 2017 |title=Decreto Número 248 |url=http://www.sgg.chiapas.gob.mx/po2012/archivos/descargas.php?f=C-316-06092017-730.pdf |language=es |work=Periódico Oficial del Estado de Chiapas, Segunda Sección |access-date=25 October 2020}} and Honduras de la Sierra in 2019.{{cite news |date=11 September 2019 |title=Decreto Número 248 |url=https://www.te.gob.mx/legislacion/media/pdf/00d1610111a7943.pdf |language=es |work=Periódico Oficial del Estado de Chiapas |access-date=24 October 2020}}
As of 2010, the town of Siltepec had a population of 3,400. Other than the town of Siltepec, the municipality had 201 localities, the largest of which (with 2010 populations in parentheses) were: Libertad Ventanas (1,283), El Palmar Grande (1,127), and Vega del Rosario (1,014), classified as rural.