Groupe Renault (UK: REN-oh, US: rə-NAWLT, rə-NOH, French: [ɡʁup ʁəno], also known as the Renault Group in English; legally Renault S.A.) is a French multinational automobile manufacturer established in 1899. The company produces a range of cars and vans and in the past, has manufactured trucks, tractors, tanks, buses/coaches, aircraft and aircraft engines, and autorail vehicles.

According to the Organisation Internationale des Constructeurs d'Automobiles, in 2016 Renault was the ninth biggest automaker in the world by production volume. By 2017, the Renault–Nissan–Mitsubishi Alliance had become the world's biggest seller of light vehicles.

Headquartered in Boulogne-Billancourt, near Paris, the Renault group is made up of the namesake Renault marque and subsidiaries, Alpine, Renault Sport (Gordini), Automobile Dacia from Romania, and Renault Korea Motors from South Korea. Renault has a 43.4% stake with several votes in Nissan of Japan and used to have a 1.55% stake in Daimler AG of Germany, which it sold off in early 2021 to help them overcome financial difficulties. (Since 2012, Renault has manufactured engines for Daimler's Mercedes A-Class and B-Class cars and is also fully involved in manufacturing the Mercedes-Benz Citan van). Renault also owns subsidiaries RCI Banque (automotive financing), Renault Retail Group (automotive distribution) and Motrio (automotive parts). Renault has various joint ventures, including Oyak-Renault (Turkey) and Renault Pars (Iran). The French state owns a 15% share of Renault.

Renault Trucks, previously known as Renault Véhicules Industriels, has been part of Volvo since 2001. Renault Agriculture became 100% owned by German agricultural equipment manufacturer CLAAS in 2008. Renault's shareholding in AvtoVAZ is being divested to the Government of Russia as an effect of the ongoing Russian invasion of Ukraine.

Together Renault and Nissan invested €4 billion (US$5.16 billion) in eight electric vehicles over three to four years beginning in 2011. Since the launch of the Renault electric program, the group has sold more than 273,000 electric vehicles worldwide through December 2019.

Renault is known for its role in motor sport, particularly rallying, Formula 1 and Formula E. Its early work on mathematical curve modeling for car bodies is important in the history of computer graphics.