Heather Anne Mills (born 12 January 1968) is an English (English people) charity (Charitable organization) campaigner and former model and the former wife of musician Sir Paul McCartney; during the marriage she was called Heather Mills McCartney. Mills has an older brother, Shane, a younger sister, Fiona and a half-sister (Half sibling), Claire.

Mills started her own model agency, in 1986 and married Alfie Karmal, on 6 May 1989, but divorced in 1991. Mills was living with her ski instructor Milos Pogacar in Croatia in 1990, just before the Croatian War started and later organized supplies for Croatia, accepting modelling assignments in Austria to pay for the trip. In London, in 1993, Mills was hit by a police motorbike and suffered serious injuries, losing her left leg, 6 inches below her knee. She later sold her story to the News of the World and used the proceeds to establish the Heather Mills Health Trust, which recycles discarded prosthetic limbs.

Mills met McCartney at a Pride of Britain (Pride of Britain Awards) charity event and they were married on 11 June 2002. Mills gave birth to Beatrice Milly McCartney on 28 October 2003. Mills separated from McCartney in 2006, which led to a highly publicized divorce, in which she was awarded �24.3 million in a court settlement, on 17 March 2008. Mills is a patron of Viva, the Vegetarian and Vegan Foundation, vice-president of the Limbless Association and was formerly a Goodwill Ambassador for the United Nations Association Adopt-A-Minefield program. She continues to work on behalf of various campaigns, including aid for amputees, animal rights and for the banning of land mines. Mills was dropped by PETA after McCartneys daughter Mary (Mary McCartney) told PETA that she would only take photographs for the organization if Mills was no longer representing PETA.