Sébastien Loeb (French pronunciation: ; born 26 February 1974) is a French professional rally, racing, and rallycross driver. He competed for the Citroën World Rally Team in the World Rally Championship (WRC) and is the most successful driver in WRC history, having won the world championship a record nine times in a row. He holds several other WRC records, including most event wins, most podium finishes and most stage wins. Loeb announced his retirement from World Rallying at the end of the 2012 season. Participating in selected events in the 2013 WRC season, he raced a full season in the FIA GT Series driving a McLaren MP4-12C before moving on with Citroën to the FIA World Touring Car Championship in 2014. In the 2018 season he is one of the official drivers of the Team Peugeot Total.
Originally a gymnast, Loeb switched to rallying in 1995 and won the Junior World Rally Championship in 2001. Signed by the Citroën factory team for the 2002 season, he and co-driver Daniel Elena took their maiden WRC win that same year at the Rallye Deutschland. After finishing runner-up to Petter Solberg by one point in 2003, Loeb took his first drivers' title in 2004. Continuing with Citroën, he went on to take a record ninth consecutive world title in 2012. Loeb is a tarmac expert, having won all but three of the WRC rallies on that surface in which he has participated since 2005.