John N. Richardson, Jr. is an American conservative attorney and leader in public interest law. He serves as the current Chairman of the Landmark Legal Foundation, a nonprofit organization founded by Mark Levin in 1988, where he has held the position since at least the early 2000s. In this role, Richardson oversees litigation efforts to promote limited government, individual liberty, and accountability, including Freedom of Information Act requests and lawsuits against federal agencies targeting regulatory overreach and alleged abuses in government operations. The foundation has pursued notable cases during the Clinton, Obama, and Biden administrations, as well as election-related matters. Richardson maintains a close professional partnership with Mark Levin, the foundation's president and a prominent conservative commentator, positioning him within influential conservative networks advocating for judicial restraint and policy reform.