John Ross "Jock" Ewing, Sr. (1909–82) is a character in the popular American television series
Dallas, played by
Jim Davis (1978–81); in the made-for-TV movie prequel to the series, (1986), he was played by
Dale Midkiff. Jock Ewing founded
Ewing Oil in 1930 and was the patriarch of the
Ewing family.