Siloam Springs is a city in Benton County, Arkansas, United States, and located on the western edge of the Northwest Arkansas metropolitan area. As of the 2020 census, the population of the city was 17,287. The community was founded in 1882 and was characterized by the purported healing powers of the spring water feeding Sager Creek and trading with nearby Native American tribes. The city shares a border on the Arkansas–Oklahoma state line with the city of West Siloam Springs, Oklahoma, which is within the Cherokee Nation territory. It is home of John Brown University.

Benton County is a county within the Northwest Arkansas region with a culture, economy, and history that have transitioned from rural and agricultural to suburban and white collar since the growth of Walmart, which is headquartered in Benton County. Created as Arkansas's 35th county on September 30, 1836, Benton County contains thirteen incorporated municipalities, including Bentonville, the county seat, and Rogers, the most populous city. The county was named after Thomas Hart Benton, a U.S. Senator from Missouri influential in Arkansas statehood.