Harald Bartol (born 13 May 1947) is an Austrian former professional Grand Prix motorcycle road racer, engine tuner and former Technical Director for the KTM racing team.
Bartol's best year was in 1978 when he rode a Morbidelli to fourth place in the 125cc world championship.
After retiring from competition, Bartol became well known as a successful engine builder for racing motorcycles.
In 2003, he became the Technical Director for the KTM Grand Prix road racing team, working in that capacity until the 2009 season when, the KTM factory withdrew from Grand Prix road racing.
This Austrian biographical article relating to motorcycle sport is a stub.