Grayson is a city in Gwinnett County, Georgia, United States. The population was 2,666 at the 2010 census.
Modeled after Snellville Days in nearby Snellville, Grayson Day, held annually on a Saturday at the end of April, features a parade down Main Street, food vendors, crafts, and live music. The city and local businesses sponsor the event, which takes place mostly in the centrally located Grayson City Park. The football team, marching band, and cheerleaders from Grayson High School, as well as other local organizations, politicians, and groups make the parade a favorite tradition among residents.
The county operates Gwinnett County Public Schools.
Gwinnett County Public Library operates the Grayson Branch in Grayson.