Cliff Yiskis (April 18, 1929 — November 20, 2011) was a NASCAR driver from Cupertino, California. He competed in one Cup series event in his career. That came in 1957, when Yiskis had a solid qualifying effort of 10th at Eureka Speedway. From there, Yiskis was able to move through the field to a 4th-place finish. Yiskis raced for years in Super Modifieds at San Jose Speedway in San Jose, California and Kearney Bowl Speedway in Fresno, California; finishing 10th in NASCAR State of California points in 1968. Yiskis was inducted into the San Jose Speedway Hall of Fame in 1999.