David Adams Hollingsworth (November 21, 1844 – December 3, 1929) was an American lawyer and Civil War veteran who served three terms as a U.S. Representative from Ohio in the early 20th century.

He was admitted to the bar in St. Clairsville, Ohio, on September 17, 1867, and commenced practice in Flushing.

On April 21, 1883, he resigned as Senator to accept appointment as Ohio Attorney General.

[3] Hollingsworth was a Mason, Elk, Knight of Pythias, Methodist, and member of the Grand Army of the Republic.

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