Iván Márquez Álvarez (born 9 June 1994) is a Spanish professional footballer who plays as a central defender for Dutch Eredivisie club Fortuna Sittard.
Career Márquez was born in Marbella, Málaga, Andalusia, and represented Málaga CF as a youth. He made his debut for the reserves on 13 October 2013, coming on as a late substitute in a 1–2 Tercera División away loss against Linares Deportivo.
Rarely used by Málaga, Márquez subsequently served loan stints at UD San Pedro and CD El Palo, the latter in Segunda División B. On 23 June 2015, he joined another reserve team, Atlético Madrid B in the fourth tier.
On 28 July 2016, Márquez moved to CA Osasuna, being assigned to the reserves in the third division. He made his first team debut on 30 November, starting in a 1–0 away loss against Granada CF, for the season's Copa del Rey.
Márquez made his La Liga debut on 4 December 2016, starting in a 3–1 loss at Sporting de Gijón.
