Gwinnett County Airport (IATA: LZU, ICAO: KLZU, FAA LID: LZU) at Briscoe Field is a municipal airport located about two miles (3 km) northeast of Lawrenceville, Georgia and about 30 miles northeast of Downtown Atlanta. It is owned and operated by the Gwinnett County, in northeastern metro Atlanta.

It has a 6,000-foot (1,800 m) runway, and is 1,061 feet (323 m) above mean sea level (AMSL). Student training is conducted at the airport by several different flight schools, including ATP Flight School. Two fixed-base operators (FBOs), Landmark (north ramp) and Aircraft Specialists (south ramp), serve the field with facilities, passenger lounges, and fuel. Georgia Jet operates the largest air charter fleet in the Atlanta area from Briscoe Field, transporting passengers nationally and internationally, more than 10 million passenger miles per year. ImagineAir, an air taxi company, is based at the airport. Medway Air Ambulance and Critical Care Medflight operate medical transport services. Its Airport Minimum Standards for Operation were rewritten in 2006.