Matías Walter Iglesias (Spanish pronunciation: [maˈti.as ˈwalteɾ iˈɣlesjas]; born 18 April 1985) is an Argentine professional footballer who last played as a defensive midfielder for Greek Super League 2 club Ionikos.
In January 2012, he signed with Athens club Atromitos as a free agent, where he would meet again his former AEL coach, Georgios Donis.
During the 2+1⁄2 seasons he managed to play 73 games (11 goals, 3 assists) both in local competitions and UEFA Europa League.
On 25 February 2014, after a good season at Atromitos, Iglesias was signed for Changchun Yatai, who had beaten AEK and Spanish club Levante by higher price (€450,000).
On 19 January 2015, Iglesias signed a one-and-a-half-year contract with Greek Super League club Asteras Tripolis for an undisclosed fee.