William Henry Stafford (born October 12, 1869) was a Republican member of the United States House of Representatives from Wisconsin. He represented Wisconsin’s 5th Congressional District and served as a historical member of Congress in the early twentieth century. Identified in congressional records under the bioguide ID S000777, Stafford’s career in national politics spanned three decades.

Stafford first entered Congress on November 9, 1903, and served until March 3, 1933. Over the course of this period, he completed ten terms in the House of Representatives. Throughout his tenure, he served as a Republican representative for Wisconsin’s 5th District, participating in the legislative work of the House during a time of significant political, economic, and social change in the United States. Stafford is recognized as a former member of Congress whose long service marked him as a durable figure in Wisconsin’s federal representation.