Aladdin is a 30-acre hamlet in eastern Crook County, Wyoming, United States, lying at the junction of Wyoming routes 24 and 111, 20 miles northeast of Sundance, the county seat. Although Aladdin is unincorporated, it has a post office, with the ZIP code of 82710; the post office is located in the town's general store, which was established in 1896, serving as a commissary for coal miners working at the Aladdin Coal Tipple, about a mile up the street, where coal was mined until 1942.

Crook County is a county in the northeastern corner of the U.S. state of Wyoming. As of the 2020 United States Census, the population was 7,181, making it the third-least populous county in Wyoming. Its county seat and largest city is Sundance. The county is located at the northwestern extreme of the Black Hills, which are its defining geographical feature.