Cary Township (also designated Township 4) is one of twenty townships within Wake County, North Carolina. As of the 2000 census, Cary Township had a population of 69,044, a 53.0% increase over 1990, and a population density of 3.95 people per acre (976/km²).

Cary Township, occupying 17,472 acres (71 km²) in western Wake County, includes the bulk of the town of Cary and portions of the towns of Apex and Raleigh.