David Adams Hollingsworth ( born November 21, 1844 in Belmont, Belmont County, Ohio; † December 3, 1929 in Cadiz, Ohio ) was an American politician of the Republican Party. March 4, 1909 to March 3, 1911, March 4, 1915 to March 3, 1919, he was a member of the House of Representatives of the United States for the 16th and 18th Congressional District of the State of Ohio.
Hollingsworth was born in Belmont. He moved with his parents to Flushing. He went to school there. From 1861 to 1863 he served in the Union Army. At the University of Mount Union, he studied law. In 1867 he was admitted to St. Clairsville as a lawyer. In 1867 he was mayor of Flushing, where he also worked as a lawyer. In 1869 he moved to Cadiz.
1873 Hollingsworth was elected prosecuting attorney in Harrison County. In 1875 he succeeded in re-election. From 1879 to 1883 he was then a member of the State Senate. 1880 was left to him as a lawyer in the Supreme Court of the United States. April 21 1883 to January 14, 1884 was Hollingsworth Attorney General of Ohio. Then he sat down again as a lawyer in Cadiz.
From 1909 to 1911 he sat for the first time in the U.S. House of Representatives. He represented the 16th District of Ohio there. The re-election he did not succeed. Then he was up again in 1915 working as a lawyer in Cadiz. From 1915 to 1919 Hollingsworth was again a member of the House, this time for the 18th District. He was not nominated for re-election.
Until his death in 1929 he was then again practiced law in Cadiz. He died there as well. He was buried in Cadiz Cemetery. In 1875 he married Linda McBean. Together they had two sons, who, however, died in childhood.