Wyarno is an unincorporated community in central Sheridan County. Wyarno has a population of 49 and median income of $50,000. Although Wyarno is unincorporated, it has a post office. Wyarno lies along Wyoming Highway 336 about 10 miles east of the city of Sheridan, the county seat of Sheridan County. The town is about 25 miles east of the Big Horn Mountains and Bighorn National Forest. There are few populated places to the east of Wyarno. South of town about 25 miles is Ucross Wyoming. The BNSF Railway line between Sheridan and Gillette passes by town. Wyarno is home of Nirvana Equine, a business catering to horses in need of rehabilitation and conditioning services.