Martín Matías Ezequiel Vargas (born 8 May 1997), nicknamed Monito (in English: "Little Monkey"), is an Argentine professional footballer who plays as a left winger for Saudi Pro League side Al Fateh SC.

Vargas started his professional career with Vélez Sarsfield under Miguel Ángel Russo's coaching, entering the field in a 0–0 draw with Colón for the 2015 Argentine Primera División.

[2] His first game as a starter was against Defensa y Justicia for the 2016–17 Argentine Primera División under Omar De Felippe's coaching, in which he scored a goal to help his team to a 2–1 victory.

On 14 July 2019, Vargas joined La Liga side RCD Espanyol on a five-year deal,[4] for a reported club record fee of €10.5 million.

[7] On 24 August 2022, Espanyol transferred Vargas to Chinese Super League side Shanghai Port for a fee of around £3.5 million.