Sēmisi Sika | |
|---|---|
 Sika in May 2019 | |
| Acting Prime Minister of Tonga | |
| In office 12 September 2019 – 8 October 2019 | |
| Monarch | Tupou VI |
| Preceded by | ʻAkilisi Pōhiva |
| Succeeded by | Pōhiva Tuʻiʻonetoa |
| Deputy Prime Minister of Tonga | |
| In office 16 January 2017 – 10 October 2019 | |
| Prime Minister | ʻAkilisi Pōhiva |
| Preceded by | Lord Maʻafu |
| Succeeded by | Sione Vuna Fa'otusia |
| Minister of Infrastructure and Tourism | |
| In office 18 April 2016 – 10 October 2019 | |
| Prime Minister | ʻAkilisi Pōhiva |
| Preceded by | ‘Etuate Lavulavu (Infrastructure) Pohiva Tuʻiʻonetoa (Tourism) |
| Succeeded by | 'Akosita Lavulavu |
| Member of the Tongan Parliament for Tongatapu 2 | |
| In office 26 November 2010 – 18 November 2021 | |
| Preceded by | none (constituency established) |
| Succeeded by | ʻUhilamoelangi Fasi |
| Personal details | |
| Born | 31 January 1968 |
| Nationality |  Tongan |
| Political party | Democratic Party of the Friendly Islands |
| Alma mater | Brigham Young University–Hawaii |
Semisi Kioa Lafu Sika (born 31 January 1968) is a Tongan politician, businessman, and Member of the Tongan Parliament from 2010 to 2021. He served as acting prime minister in September 2019, following the death of ʻAkilisi Pōhiva. He is currently leader of the Democratic Party of the Friendly Islands.