Calkiní (Yucatec Maya: "throat of the sun") is one of the 13 municipalities in the Mexican state of Campeche.

It is situated at the northern tip of the state, on the central western coast the Yucatán Peninsula.

The municipal seat, and largest settlement, is the city of Calkiní.

[1] Of these, 26,127 spoke one of several indigenous languages, predominantly Yucatec Maya.

[1] Other than the city of Calkiní, the municipality had 202 localities, the largest of which (with 2010 populations in parentheses) were: Dzitbalché (11,686), Bécal (6,511), Nunkiní (5,859), Bacabchén (2,527), classified as urban, and Santa Cruz Pueblo (1,908), Tepakán (1,895), San Antonio Sahcabchén (1,858), Santa Cruz Ex-Hacienda (1,255), and Tankuché (1,006), classified as rural.