Jimmie Kenneth Johnson is an American professional auto racing driver. He competes part-time in the NASCAR Cup Series, driving the No. 84 Toyota Camry XSE for his team, Legacy Motor Club. Johnson's seven Cup championships, the first five of which are consecutive, are tied with Richard Petty and Dale Earnhardt for the most all-time. From 2021 to 2022, Johnson competed in the IndyCar Series for Chip Ganassi Racing, and has competed occasionally in sports car racing throughout his career.

Johnson was born on September 17, 1975 in El Cajon, California, the son of Catherine Ellen "Cathy" (née Dunnill) and Gary Ernest Johnson. He has two younger brothers, Jarit and Jessie. Both have made professional off-road racing starts in the TORC: The Off-Road Championship. Johnson attended Granite Hills High School, while he raced motorcycles during the weekends. He was a varsity water polo player, diver, and swimmer, and graduated in 1993. The number 48 is retired from all sports teams uniforms at his school and Johnson was inducted into the school's Athletic Hall of Fame. Johnson lives in Charlotte, North Carolina like many other NASCAR drivers. He is married to Chandra Janway, the two having known each other since 2002. They have two daughters