|Full name||Luís Carlos Ramos Martins|
|Date of birth||10 June 1992|
|Place of birth||Lamego, Portugal|
|Height||1.76 m (5 ft 9 in)|
|Playing position||Left back|
|* Senior club appearances and goals counted for the domestic league only and correct as of 29 September 2014.
† Appearances (Goals).
Born in Lamego, Viseu District, Martins was promoted to S.L. Benfica's first team for the 2011–12 season. He made his official debut for the club on 2 November 2011, starting in a UEFA Champions League group stage game against FC Basel and being replaced at the hour-mark of the 1–1 home draw by Miguel Vítor.
On 1 September 2014 Martins signed a four-year deal with Granada CF in Spain, for an undisclosed fee. He played his first game in La Liga on the 27th, coming on as a second-half substitute in a 0–6 away loss to FC Barcelona.
- "Basel's Huggel pegs back Benfica". UEFA.com. 2 November 2011. Retrieved 8 November 2011.
- "Benfica: Luís Martins no Gil Vicente por três anos e meio" [Benfica: Luís Martins to Gil Vicente for three 1/2 years] (in Portuguese). Mais Futebol. 9 January 2013. Retrieved 9 January 2013.
- "El internacional Portugués sub-21 Luis Martins, refuerzo para el Granada CF" [Portuguese under-21 international Luis Martins, addition to Granada CF] (in Spanish). Granada's official website. 1 September 2014. Retrieved 2 September 2014.