Otis Theodore Wingo (June 18, 1877 – October 21, 1930) was an American lawyer and politician who served as a U.S. representative from Arkansas's 4th congressional district from 1913 to 1930.

In 1912, Wingo was elected as a Democrat to the Sixty-third and to the eight succeeding Congresses, having served from March 4, 1913, until his death while undergoing surgery in Baltimore, Maryland, on October 21, 1930.

Senator Joseph Taylor Robinson, and Republican State Representative Osro Cobb of Montgomery County in proposing the establishment of a second national park in Arkansas which would have been located in the scenic Ouachita National Forest about halfway between Little Rock and Shreveport, Louisiana.

The proposal, which would have been in driving distance of then some 45 million Americans, was pocket vetoed by U.S. President Calvin Coolidge.

This article incorporates public domain material from the Biographical Directory of the United States Congress