David Kemper Watson (June 18, 1849 – September 28, 1918) was an American lawyer and politician who served one term as a U.S. Representative from Ohio from 1895 to 1897.
Watson was elected attorney general of Ohio in 1887 and reelected in 1889. In 1890, he successfully prosecuted the Standard Oil Company under the Sherman Antitrust Act, leading the court to dissolve the trust.[1]
He served as special counsel for the United States in the suits brought by the Government against the Pacific railroads in 1892.
Watson was elected as a Republican to the Fifty-fourth Congress (March 4, 1895 – March 3, 1897). He was an unsuccessful candidate for reelection in 1896 to the Fifty-fifth Congress. He was appointed by President William McKinley as a member of the commission to revise and codify the laws of the United States. He resumed the practice of law.