The Tower Commission was a United States presidential commission established on December 1, 1986, by President Ronald Reagan in response to the Iran–Contra affair. The commission, composed of former Senator John Tower of Texas, former Secretary of State Edmund Muskie, and former National Security Advisor Brent Scowcroft, was tasked with reviewing the proper role of the National Security Council staff in national security operations generally, and in the arms transfers to Iran specifically.

John Goodwin Tower was an American politician and military veteran who represented Texas in the United States Senate from 1961 to 1985. He was the first Republican elected to the U.S. Senate from Texas since Reconstruction. Tower is known for leading the Tower Commission, which investigated the Iran-Contra Affair in the Reagan administration.