The Williams FW30 is a Formula One racing car, designed by Williams and introduced at the start of the 2008 Formula One season. The car is largely an evolution of the previous, -season, Williams model: the FW29. As with its predecessor, the FW30 is powered by engines manufactured by Toyota. The FW30 was unveiled to the public on 21 January 2008 at the Circuit de Valencia, Spain, and made its race debut at the 2008 Australian Grand Prix in the hands of 2008 Williams drivers Nico Rosberg and Kazuki Nakajima.