Sibel Siber (born 1960) is a Turkish Cypriot politician. She was the first woman Prime Minister of the Turkish Republic of Northern Cyprus, having been in office from 13 June 2013, after the government of İrsen Küçük fell because several parliamentarians switched party, to 2 September 2013. As of September 2013, Siber was the Speaker of Parliament, the Republican Assembly of Northern Cyprus.