The 2009 Women's Six Nations Championship, also known as the 2009 RBS Women's 6 Nations, was the eighth series of the rugby union Women's Six Nations Championship, due to the tournament's sponsorship by the Royal Bank of Scotland.
England comfortably won a third successive Grand Slam in 2008 and were favourites to make the 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 significant in making this an extraordinary championship full of remarkable results such as:
The fixtures for the Women's Six Nations ran parallel those of the men's tournament.