Rónald Alberto Matarrita Ulate (born 9 July 1994) is a Costa Rican professional footballer who plays as a left-back for Liga FPD club Liga Deportiva Alajuelense and the Costa Rica national team.

[5] On 29 December 2020, Matarrita was traded to FC Cincinnati in exchange for $500,000 of General Allocation Money.

[7] On 20 June 2023, Matarrita joined Super League Greece club Aris on a three-year contract.

[9] He scored his first goal for Costa Rica 6 September 2016, in a 3–1 win over Panama, in a World Cup qualification match.

[10] Matarrita was called up for the 2018 FIFA World Cup, but was ruled out of the tournament three days before Costa Rica's debut due to a harmstring injury.