Rahal Letterman Lanigan Racing (RLL) is an auto racing team that has participated in the WeatherTech SportsCar Championship and the IndyCar Series. Headquartered in Zionsville, Indiana and Hilliard, Ohio, it is co-owned by 1986 Indianapolis 500 winner Bobby Rahal, former television talk show host David Letterman, and businessman Mike Lanigan. The team won the Indianapolis 500 twice, first in 2004 with Buddy Rice driving and then in 2020 with Takuma Sato.

Robert Woodward Rahal is an American former auto racing driver and current team owner of Rahal Letterman Lanigan Racing. As a driver he won three championships and 24 races in the CART open-wheel series, including the 1986 Indianapolis 500. He also won the Indianapolis 500 in 2004 and 2020 as team owner for Buddy Rice and Takuma Sato, respectively.