Everis Anson Hayes (March 10, 1855 – June 3, 1942) was a U.S. Representative from California.
Born in Waterloo, Wisconsin, Hayes attended the public schools. He was graduated from the Waterloo High School in 1873 and from the literary and law departments of the University of Wisconsin–Madison in 1879. He was admitted to the bar in 1879 and commenced practice in Madison, Wisconsin. He moved to Ashland, Wisconsin, in 1883 and in 1886 to Hurley, Wisconsin, and continued the practice of his profession. He moved to Ironwood, Michigan, in 1886 and engaged in the mining of ore. He moved to San Jose, California, in 1887 and engaged in fruit raising and mining. With his brother, he became publisher and proprietor of the San Jose Daily Mercury Herald in 1901.
Hayes was elected as a Republican to the Fifty-ninth and to the six succeeding Congresses (March 4, 1905 – March 3, 1919). On April 5, 1917, he was one of the 50 representatives who voted against declaring war on Germany. He was an unsuccessful candidate for reelection in 1918 to the Sixty-sixth Congress. He resumed his newspaper activities in San Jose, with mining interests in Ironwood, Michigan, and Sierra City, California. He died in San Jose, June 3, 1942. He was interred in Oak Hill Memorial Park Cemetery.