Lawrence "Larry" Lessig is an American academic and political activist. He is best known as a proponent of reduced legal restrictions on copyright, trademark, and radio frequency spectrum, particularly in technology applications.

He is a director of the Edmond J. Safra Foundation Center for Ethics at Harvard University and a professor of law at Harvard Law School. Prior to rejoining Harvard, he was a professor of law at Stanford Law School and founder of its Center for Internet and Society.

Lessig is a founding board member of Creative Commons, a board member of the Software Freedom Law Center and a former board member of the Electronic Frontier Foundation.