Sir Hector William Hepburn Sants is a British investment banker. He was appointed Chief Executive Officer of the Financial Services Authority in July 2007 and stepped down in June 2012. He took up a new position with Barclays Bank at the end of January 2013, but resigned from the bank on 13 November 2013.

The Financial Services Authority (FSA) was a quasi-judicial body accountable for the regulation of the financial services industry in the United Kingdom between 2001 and 2013. It was founded as the Securities and Investments Board (SIB) in 1985. Its board was appointed by the Treasury, although it operated independently of government. It was structured as a company limited by guarantee and was funded entirely by fees charged to the financial services industry.