Jackson is a town in the Jackson Hole valley of Teton County, Wyoming, United States. The population was 9,577 at the 2010 census, up from 8,647 in 2000. It is the county seat of Teton County and is its largest town.
Jackson is the principal town of the Jackson, WY-ID Micropolitan Statistical Area, which includes Teton County in Wyoming and Teton County in Idaho.

Jackson is a major gateway for millions of tourists visiting nearby Grand Teton National Park, Yellowstone National Park, and the National Elk Refuge. Jackson is also in proximity to several ski resorts. On the southeast edge of town there is a relatively small but challenging ski-area known as Snow King, Jackson's original ski hill. It has steep vertical slopes and is night-lit. More famous is the Jackson Hole Mountain Resort, 12 miles (20 km) northwest. Opened in 1966, it has abundant steep terrain and has one of the highest vertical drops in North America, at 4,139 feet (1,262 m). Grand Targhee, is about an hour away, on the west side of the Teton Range in Alta. Opened in 1969, it is accessed through Idaho over Teton Pass.

Jackson is host to a number of world-class arts organizations, including the Congressionally-designated National Museum of Wildlife Art, the Grand Teton Music Festival, and the Center for the Arts. The large arches of shed elk antlers at the four entrances to the town square are popular attractions.

As of the 2010 Census, The main industries which provide employment are: Arts, entertainment, recreation, accommodation and food services (32.2%), construction (8.7%), retail trade (12.4%), educational services, health care and social assistance (11.9%), and professional, scientific, and management, and administrative and waste management services (11.8%).
The town is often erroneously referred to as "Jackson Hole", the valley in which it is located.

A strong local economy, primarily due to tourism, has allowed Jackson to develop a large shopping and eating district, centered on the town square.