AJ OF INDY is a term used to refer to the five most successful drivers in the Indianapolis 500 race. These drivers are A.J. Foyt, Al Unser, ARIE Luyendyk, Bobby Rahal, and Tom Sneva. The first letter of each driver's name is used to form the acronym AJ OF INDY. Additionally, Danica Patrick, who is the most successful female driver in the Indianapolis 500, is sometimes included in the acronym as ALY.