The 2011 ITM Hamilton 400 was a motor race for the Australian sedan-based V8 Supercars. It was the third event of the 2011 International V8 Supercars Championship. It was held on the weekend of 15–17 April at the Hamilton Street Circuit, in Hamilton, New Zealand. It was the fourth running of the Hamilton 400. The weekend saw two first time winners: Rick Kelly took the first victory for Kelly Racing and Shane Van Gisbergen won the first race of his career.