Oadis Vaughn Swigart (February 13, 1915 – August 8, 1997) was an American professional baseball player. He was a right-handed pitcher over parts of two seasons (1939–40) with the Pittsburgh Pirates. For his career, he compiled a 1–3 record, with a 4.44 earned run average, and 17 strikeouts in 462⁄3 innings pitched.
Swigart served 5 years in the army during World War II.
Swigart was born in Archie, Missouri, and died in St. Joseph, Missouri, at the age of 82.