Peter Clarence Foster (born 1962) is an Australian career criminal who has been imprisoned in Australia, Britain, the United States, and Vanuatu for a variety of offences related to weight loss and other scams as well as absconding from justice. His convictions range from fraud and money laundering to contempt of court and resisting arrest. Foster was also in the headlines for his role in helping Cherie Blair, wife of British prime minister Tony Blair, buy properties in Bristol at a discounted rate. Foster has described himself as an "international man of mischief".