Swimming at the 2010 Commonwealth Games – Women's 400 metre freestyle

The Women's 400 metre freestyle event at the 2010 Commonwealth Games took place on 8 October 2010, at the SPM Swimming Pool Complex.

Three heats were held, with most containing the maximum number of swimmers (eight). The heat in which a swimmer competed did not formally matter for advancement, as the swimmers with the top eight times from the entire field qualified for the finals.