| Unasa Mesi Galo | |
| Office2: | Minister of Justice |
| Term Start2: | 24 April 2006 |
| Term End2: | 21 March 2011 |
| Primeminister2: | Tuilaepa Aiono Sailele Malielegaoi |
| Predecessor2: | Ga'ina Tino |
| Successor2: | Fiame Naomi Mataʻafa |
| Constituency Mp14: | Fa'asalele'aga No. 3 |
| Parliament14: | Samoa |
| Term Start14: | 2 March 2001 |
| Term End14: | 4 March 2011 |
| Predecessor14: | Tea Tooala Peato |
| Successor14: | Tuileutu Alava'a Voi |
| Parliament15: | Samoa |
| Term Start15: | 5 April 1991 |
| Term End15: | 26 April 1996 |
| Predecessor15: | Unasa Lio |
| Successor15: | Tea Tooala Peato |
| Death Date: | 27 October 2019 |
| Party: | Human Rights Protection Party |
Unasa Mesi Galo (~1939 – 27 October 2019)[1] was a Samoan politician and Cabinet Minister. He was a member of the Human Rights Protection Party.
Unasa was first elected to the Legislative Assembly of Samoa in the 1991 election. He lost his seat in the 1996 election, but was then re-elected in 2001. After being narrowly re-elected at the 2006 election[2] he was appointed Minister of Justice.[3] In December 2006 he was accused of contempt of court after violating an order from the Land and Titles Court of Samoa to cease logging on disputed land.[4] Following the dispute the government banned commercial logging of native forest.[5] In February 2010 he won a defamation suit against a woman who had accused him of drunk-driving.[6]
He lost his seat at the 2011.[7]