The 2009 Women's Six Nations Championship, also known as the 2009 RBS Women's 6 Nations due to the tournament's sponsorship by the Royal Bank of Scotland, was the eighth series of the rugby union Women's Six Nations Championship. England comfortably won a third successive Grand Slam in 2008 and were hot favourites to make this four in 2009. However, though England did retain the title it was only on points difference, the loss of key players to the World Cup Sevens was, perhaps, significant in making this an extraordinary championship full of remarkable results such as: