Kaz Grala (GRAW-la; born December 29, 1998) is an American professional driver. He currently competes full-time in the NASCAR Camping World Truck Series, driving the No. 33 Chevrolet Silverado for GMS Racing and part-time in the NASCAR K&N Pro Series East for Ben Kennedy Racing driving the No. 3 Toyota Camry. He is a high school Senior from Boston, Massachusetts and currently attends Worcester Academy.

Grala started racing go-karts at F1 Boston in Braintree, Massachusetts when he was four, and three years later, began racing competitively. When he was ten, he raced Bandoleros, winning the Summer Shootout Championship in 2011. That same year, he won the New York Legendstock and the Massachusetts Bandolero Outlaws state championships. In 2012, Grala won 15 races and the Winter Heat Championship at Charlotte Motor Speedway in the Legend Car Pro Division.

In 2013, Grala competed in the UARA-Stars Series, becoming the youngest winner in series history at Hickory Motor Speedway, followed by setting the record as the youngest driver to lead laps in the Myrtle Beach 400 at Myrtle Beach Speedway where he finished second to Lee Pulliam. The following year, he ran in the Continental Tire SportsCar Challenge, where he became the youngest driver to compete in an International Motor Sports Association event. He also joined Turner Scott Motorsports to compete full-time in the K&N Pro Series East. At the age of 15, he was the youngest full-time driver in the series. During the year, he competed in the NASCAR Whelen All-American Series and won at Caraway Speedway and Martinsville Speedway. The next season, he joined Ben Kennedy Racing to race full-time in the K&N Pro Series East.