Hazel Poa Koon Koon (born 27 August 1970) is a politician and businesswoman from Singapore who was formerly the Secretary-General of the opposition National Solidarity Party (NSP). Poa was a member of the Reform Party before joining the NSP in 2011. From June 2011 to September 2013, she served as the NSP's Secretary-General, before stepping down due to health concerns.