Frank Jack Dochnal (October 8, 1920 – July 7, 2010) was a race car driver from St. Louis, Missouri, United States.

He had some success in local racing in Missouri before making a single attempt to qualify for a Formula One Grand Prix at the age of 43, with a Cooper T51 in the 1963 Mexican Grand Prix.

He later worked for Howard Hughes and as a technical official for USAC.

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