The 2006 Spanish Grand Prix was a Formula One motor race held on 14 May 2006 at the Circuit de Catalunya in Montmeló, Spain. It was the sixth round of the 2006 Formula One season and the forty-eighth Spanish Grand Prix. The 66-lap race was won by Fernando Alonso for the Renault team, from a pole position start. Michael Schumacher finished second in a Ferrari with Alonso's teammate Giancarlo Fisichella third.

The Circuit de Barcelona-Catalunya is a 4.657 km (2.894 mi) motorsport race track in Montmeló, Barcelona, Catalonia, Spain. With long straights and a variety of corners, the Circuit de Barcelona-Catalunya is seen as an all-rounder circuit. The track has stands with a capacity of 140,700. The circuit has FIA Grade 1 license.