Tonga: Heads of State: 1875-2024 |
| ʻi he Kelesi ʻa e ʻOtua ko e Tuʻi ʻo e Puleʻanga ʻo Tonga = By the Grace of God, King of the Kingdom of Tonga |
| 4 Nov 1875 - 18 Feb 1893 |
Siaosi Tupou I = George Tupou I (Maeʻakafa Ngininginiofolanga Tāufaʻāhau Tupou) [1] |
| 18 Feb 1893 - 5 Apr 1918 |
Siaosi Tupou II = George Tupou II (Siaosi Tāufaʻāhau Tupou) |
| 5 Apr 1918 - 16 Dec 1965 |
Sālote Tupou III = Salote Tupou III (Sālote Mafileʻo Pilolevu Veiongo Tupou) [2] |
| 16 Dec 1965 - 11 Sep 2006 |
Tāufaʻāhau Tupou IV = Taufaʻahau Tupou IV (Siaosi Tāufaʻāhau Tupoulahi Tupou) [3] |
| 11 Sep 2006 - 18 Mar 2012 |
Siaosi Tupou V = George Tupou V (Siaosi Tāufaʻāhau Manumataʻongo Tukuʻaho Tupou) |
| 18 Mar 2012 - |
Tupou VI (ʻAhoʻeitu ʻUnuakiʻotonga Tukuʻaho) |
