Saudia Flight 163 was a scheduled Saudia passenger flight that caught fire after takeoff from Riyadh International Airport (now the Riyadh Air Base) en route to Jeddah, Saudi Arabia on 19 August 1980. All 287 passengers and 14 crew on board the Lockheed L-1011-200 TriStar died from smoke inhalation after the aircraft made a successful emergency landing at Riyadh.

The accident is the deadliest involving a Lockheed L-1011 TriStar, as well as the deadliest aviation disaster to occur in Saudi Arabia. At the time, this was the second deadliest aircraft accident in the history of aviation involving a single airplane after Turkish Airlines Flight 981.