The 2011 Coates Hire Ipswich 300 was a motor race for the Australian sedan-based V8 Supercars racing cars. It was the eighth event of the 2011 International V8 Supercars Championship. It was held on the weekend of August 19 to 21 at Queensland Raceway, near Ipswich, Queensland. It was the ninth running of the Queensland 300 and the 15th V8 Supercar event held at Queensland Raceway.