Chalco

Chalco may refer to:

• Chalco de Díaz Covarrubias, or simply Chalco, seat of the municipality of Chalco, State of México
• Chalco (altépetl), an altépetl or pre-Columbian city-state in central Mexico
• Lake Chalco, endorheic lake formerly located in the Valley of Mexico
• Chalco, Nebraska in northern Sarpy County, Nebraska, United States
• Chalco Hills Recreation Area in Nebraska
• Valle de Chalco Solidaridad, a municipality located in State of Mexico, Mexico
• Chalco, Aluminum Corporation of China Limited
• The Chalco system in A. A. Attanasio's The Last Legends of Earth