Marco Pablo Pappa Ponce (born 15 November 1987) is a Guatemalan professional footballer who plays as a midfielder.

Born in Guatemala City, Pappa, who plays as a winger, joined his local side, Municipal,[2] in 2004 at the age of 16, and made his professional debut in a domestic league match in August 2006 against Deportivo Petapa.

Per an announcement made on 13 August 2012[12][13] Pappa was originally going to join the Dutch club SC Heerenveen of the Eredivisie on 1 January 2013 on a three-and-a-half-year deal.

[14] On 3 January 2014 Pappa was released by Heerenveen as they dissolved his contract to make room on their roster for the Hungarian Szabolcs Varga.

[15][16][17] Pappa was released by Heerenveen and entered the MLS Allocation process, being selected by the Seattle Sounders FC who had the first pick.

On 25 October, Pappa came off the bench and scored twice as the Sounders defeated the Los Angeles Galaxy 2−0 to clinch the Supporters' Shield, as the best club in MLS during the regular season.

Pappa earned his first cap for the senior national team on 20 August 2008 in a 0–1 World Cup qualifying loss to the United States, appearing as a substitute.

At the 2014 Copa Centroamericana, Pappa helped Guatemala to a runner-up finish and qualification for the 2015 CONCACAF Gold Cup.