Lamar Seeligson Smith is an American politician and lobbyist who served in the United States House of Representatives for Texas's 21st congressional district for 16 terms, a district including most of the wealthier sections of San Antonio and Austin, as well as some of the Texas Hill Country. He is a member of the Republican Party. He sponsored the Stop Online Piracy Act (SOPA) and the Protecting Children From Internet Pornographers Act (PCIP). He also co-sponsored the Leahy–Smith America Invents Act.