Harold Homer "Jack" Petticord (21 November 1900  – 2 January 1940) was an American racecar driver, born in Wichita, Kansas. He drove for the Essex racing team in 1922 and 1923, as well as for the Boyle Valve racing team in 1927. Primarily a dirt track racer, Petticord made starts in both IMCA Big Cars and AAA Championship Car including the 1927 Indianapolis 500.
Harold Homer "Jack" Petticord (21 November 1900 – 2 January 1940) was an American auto racing driver, born in Wichita, Kansas. He competed for the Essex racing team in 1922 and 1923, as well as for the Boyle Valve racing team in 1927. Primarily a dirt track competitor, Petticord participated in both IMCA Big Cars and AAA Championship Car events, including the 1927 Indianapolis 500.