Frontera Comalapa is a town and municipality in the Mexican state of Chiapas in southern Mexico.

[1] Other than the city of Frontera Comalapa, the municipality had 291 localities, the largest of which (with 2010 populations in parentheses) were: Paso Hondo (3,654), classified as urban, and Ciudad Cuauhtémoc (2,325), Verapaz (2,237), Doctor Rodulfo Figueroa (Tierra Blanca) (2,218), Nueva Independencia (Lajerío) (2,001), Sabinalito (1,808), Joaquín Miguel Gutiérrez (Quespala) (1,701), San Caralampio (1,604), Agua Zarca (1,495), Nueva Libertad (1,329), El Triunfo de las Tres Maravillas (1,300), Monte Redondo (1,183), Guadalupe Grijalva (1,034), Sinaloa (1,020), and El Portal (1,002), classified as rural.

[1] In March 2012, authorities discovered the remains of at least 167 people in a cave at a ranch in Frontera Comalapa.

[3] On January 8, 2021, Irán Mérida Matamoros, former municipal president (2008–2010), was arrested on charges of diversion of resources, criminal association and illegal exercise of public service.

[4] Less than two weeks later, on January 12, the current mayor, Oscar Armando Ramírez Aguilar, was tied to a tree for delivering a public works project in poor condition.