John Hays

John Hays may refer to:


 * John Hays (businessman) (1949–2020), British businessman, founder of Hays Travel
 * John Hays (sheriff) (1770 – after 1822), first known Jewish resident of Illinois, Sheriff of St. Clair County, Illinois; Indian agent
 * John Coffee Hays (1817–1883), or "Jack" Hays, Texas Ranger, U.S. Army officer, first mayor of Oakland, California
 * John H. Hays (1844–1904), American Civil War recipient of the Medal of Honor