2019 in Tonga

Events in the year 2019 in Tonga.

Incumbents

 * Monarch: Tupou VI
 * Prime Minister: ʻAkilisi Pōhiva (until 12 September), Semisi Sika (acting, from 12 September until 8 October), Pohiva Tuʻiʻonetoa (from 8 October)

October

 * Metis Shoal, a volcanic island at the top of a submarine volcano between Kao and Late disappears during an eruption which is first reported on the morning of 14 October. A new and bigger island appears nearby.

Deaths

 * 12 September – ʻAkilisi Pōhiva, Prime Minister (b. 1941).