Rubens Gonçalves Barrichello (Brazilian Portuguese: [ˈʁubẽjz ʁuˈbĩɲu ɡõˈsawviz baʁiˈkɛlu]; born 23 May 1972) is a Brazilian racing driver and broadcaster, currently competing in the Stock Car Pro Series for Full Time Sports. Nicknamed "Rubinho", Barrichello competed in Formula One from 1993 to 2011, and twice finished runner-up in the World Drivers' Championship in 2002 and 2004 with Ferrari; he won 11 Grands Prix across 19 seasons. In stock car racing, Barrichello is a two-time champion of the Stock Car Pro Series in 2014 and 2022 with Full Time Sports.

Born and raised in São Paulo, Barrichello started his career in karting, winning several national titles before progressing to junior formulae in 1989. Barrichello moved to Europe the following year, winning his first title at the Formula Opel Lotus Euroseries before his victory at the 1991 British Formula Three Championship with West Surrey. He progressed to International F3000 in 1992, finishing third in his rookie season. Barrichello signed for Jordan in 1993, making his Formula One debut at the South African Grand Prix. He retained his seat for 1994, achieving his maiden podium at the Pacific Grand Prix as he finished sixth in the World Drivers' Championship. After two further seasons with Jordan—scoring another podium at the 1995 Canadian Grand Prix—Barrichello signed with Stewart for his 1997 campaign. Amidst a reliability-plagued debut season driving the SF01, Barrichello finished only three races, including second-place in Monaco. After a difficult 1998 campaign, Stewart improved greatly in 1999, with Barrichello taking several podiums amongst his maiden pole position at the French Grand Prix.

Barrichello signed for Ferrari in 2000 to partner Michael Schumacher, taking his maiden victory at the German Grand Prix that year. Barrichello twice finish finished runner-up to Schumacher in 2002 and 2004, contributing to five consecutive World Constructors' Championships for Ferrari with 51 podium appearances in 85 Grands Prix. After enduring a winless 2005 season, Barrichello joined Honda—later known as Brawn GP—in 2006, finishing third in the World Drivers' Championship in 2009 and contributing to a sixth Constructors' Championship. He moved to Williams in 2010, being appointed chairman of the Grand Prix Drivers' Association. After two years with Williams, Barrichello retired from Formula One, having achieved 11 wins, 14 pole positions, 17 fastest laps and 68 podiums, the latter of which remains the record for a non-World Champion.

Outside of Formula One, Barrichello competed in the IndyCar Series in 2012 with KV Racing Technology. He then returned to Brazil to participate in the Stock Car Series, winning the championship in 2014 and 2022. In endurance racing, Barrichello finished runner-up at the 24 Hours of Daytona in 2016 with Wayne Taylor Racing. From 2013 to 2014, he was a commentator and pundit for TV Globo, later leaving to co-host motorsport YouTube channel Acelerados.