Yvonne Denise Aki-Sawyerr, OBE (née Morgan; born 7 January 1968) is a Sierra Leonean politician and finance professional, who is serving as the current mayor of Freetown, Sierra Leone's capital and largest city; she assumed office on 11 May 2018. Prior to becoming head of the Freetown City Council, Aki-Sawyer had worked extensively in the UK financial and professional services industry.