Mark M. McFarland (born February 1, 1978) is a former NASCAR driver who works for Kyle Busch Motorsports as the crew chief for their No. 18 car in the ARCA Menards Series and ARCA Menards Series East. In 2021, he won championships in both series with Ty Gibbs and Sammy Smith, respectively. In 2022, he and Smith won their second consecutive East Series championship.