John Bailey may refer to one of the following people:

• John Moran Bailey (1904 - 1975) (United States politician, chair of the Democratic National Committee)
• John Bailey (actor) (British actor)
• John Bailey (Irish politician), an Irish politician
• John Bailey (Massachusetts) (1786 - 1835) Member of the U.S. House of Representatives from Massachusetts
• John Bailey (radio personality) Traffic reporter for radio station WWJ-AM in Detroit, Michigan
• John S. Bailey President of the American College of Greece