William Howard Royer (born April 11, 1920) was a Republican member of the United States House of Representatives from California. He represented California’s 11th congressional district and served a single term in Congress. His tenure in the U.S. House began on January 15, 1979, and concluded on January 3, 1981.

During this period, Royer served as a Representative for California, identified in congressional records by the biographical guide ID R000489. He held office as a historical member of Congress and is noted as a former officeholder. While specific committee assignments, office room, and official contact details are not listed in the available record, his service from 1979 to 1981 places him within the broader context of late 20th-century Republican representation from California’s 11th district.