John W. Springer (July 16, 1859 – January 10, 1945) was an attorney and banker in Illinois, Texas, and Colorado. He was a clerk during the 50th United States Congress (1887–1889) and represented his district in the Illinois state legislature. He was active in business, politics, and society in Denver, Colorado. Springer had a 10,000 acre ranch and farm, which included the Highlands Ranch Mansion. The ranch became the suburb of Highlands Ranch, Colorado. His second wife, Isabel Patterson Springer, was the center of a scandal that resulted in the murder of two men at the Brown Palace Hotel.