George Tupou V (Tongan: Siaosi Tupou, full name: Siaosi Tāufaʻāhau Manumataongo Tukuʻaho Tupou; 4 May 1948 – 18 March 2012) was the King of Tonga from the death of his father Tāufaʻāhau Tupou IV on 11 September 2006 until his own death. His coronation was on 1 August 2008.