The 2006 Ipswich 400 (commercially titled the 2006 BigPond 400) was a motor race for V8 Supercars held on the weekend of 21–23 July 2006.

The event was held at the Queensland Raceway in Willowbank, Queensland, Australia, and consisted of three races culminating in 381 kilometres.

It was the sixth round of thirteen in the 2006 V8 Supercar Championship Series.

There was one driver change prior to the event, José Fernández replacing Tony Ricciardello at Britek Motorsport.