John Robert Menard Jr. (born January 22, 1940) is an American billionaire businessman, and the founder and owner of Menards, a Midwestern chain of home improvement stores. He is a former INDYCAR racing team owner, and the father of former NASCAR Cup Series driver Paul Menard. He is the son of John Robert Menard Sr (1917–1988). As of 11 June 2021, Bloomberg Billionaires Index ranked him the 103rd-richest person in the world with a net worth of US$18.9 billion.