Anthony Wayne Stewart, nicknamed "Smoke", is an American semi-retired professional stock car racing driver, and current NASCAR team co-owner of Stewart-Haas Racing. He also competes in NHRA. He is a four-time NASCAR Cup Series champion, winning two as a driver (2002, 2005), one as owner/driver (2011), and one as an owner (2014).

Throughout his racing career, Stewart has won racing titles in Indy, midget, sprint, and USAC Silver Crown cars. He is the only driver in history to win a championship in both IndyCar and NASCAR. Stewart became known for his hot temper and for his sarcasm with the media.