The former regulator for the UK financial services industry. The FSA was an independent non-governmental body with statutory powers under the Financial Services and Markets Act 2000 (FSMA).

On 1 April 2013, in accordance with the Financial Services Act 2012, the FSA was abolished and the majority of the FSA's functions were transferred to the Financial Conduct Authority (FCA) and the Prudential Regulation Authority (PRA). For more information, see Practice note, Financial Services Act 2012: overview of reforms.