Hecelchakán (Spanish pronunciation: [xeseltʃaˈkan]) is one of the 13 municipalities in the Mexican state of Campeche.

The municipality covers an area of 1,331.99 km² (514.284 sq mi) and includes numerous smaller outlying communities, the largest of which is the town of Pomuch.

The name comes from the Yucatec Maya words jeʼelel (rest) and chakʼan (savanna).

[1] Other than the city of Hecelchakán, the municipality had 80 localities, the largest of which (with 2010 populations in parentheses) were: Pomuch (8,694), classified as urban, and Pocboc (1,624), Cumpich (1,587), Campo Menonita Yalnón (1,151), and Santa Cruz (1,118), classified as rural.

51 approved a new law of interior administration, Hecelchakán became one of the eight free municipalities of the new state of Campeche.