Marcos Luna Ruiz (born 5 April 2003) is a Spanish footballer who plays as a right back for Real Zaragoza.
Born in Zaragoza, Aragón, Luna was a Real Zaragoza youth graduate. He made his senior debut with the reserves on 6 January 2022, starting in a 2–0 Tercera División RFEF away loss against CD Giner Torrero.
Called up to the first team for the 2022 pre-season, Luna made his professional debut on 15 October of that year, coming on as a late substitute for Fran Gámez in a 2–1 home win over Villarreal CF B in the Segunda División.
On 9 November 2022, Luna renewed his contract until 2026. On 17 January 2024, he agreed to join Primera Federación side Real Unión on loan for the remainder of the season.
