Paul Percy Harris (April 19, 1868 - January 27, 1947) was a Chicago attorney best known for founding Rotary International in 1905, a service organization with over one million members worldwide.

Harris was born in Racine, Wisconsin, but grew up in Vermont. He later moved to Chicago, Illinois, to begin his law practice.

Harris attended Princeton University, the University of Vermont, and the University of Iowa. For the next five years he worked odd jobs for the newspaper, as a salesman, on fruit farms, as an actor, and on cattle ships that traveled to Europe.