Armando Riesco (born December 5, 1977) is a Puerto Rican motion picture and television actor.

Riesco was born in Mayagüez, Puerto Rico to Cuban immigrants who resettled there. He was raised in San Juan where he attended Colegio San Ignacio de Loyola. After graduating from high school, he relocated to New York City where he began to work in local and off-Broadway productions before launching his film career.

Among the many memorable roles he has had, most of them have been in critically-acclaimed independent films such as Pieces of April starring Katie Holmes and Garden State, starring Natalie Portman. Besides making a name for himself in the independent film industry, he has worked on major Hollywood films such as National Treasure and the controversial Oliver Stone film, World Trade Center which covers the lives of several New York City policemen and firefighters trapped in the rubble of the World Trade Center after its destruction and eventual collapse that were a result of the terrorist attacks of September 11, 2001. Other major films include the 25th Hour (directed by Spike Lee) and Fever Pitch, starring Jimmy Fallon and Drew Barrymore.

In addition to his film work, he has had small roles on such popular drama series as Third Watch and Law & Order: Criminal Intent. Recently, he was a cast member of 3 lbs., a medical dramatic television series. The series, starring Stanley Tucci as a brain surgeon in a city hospital which premiered on the CBS network as a midseason replacement on November 14, 2006. Unfortunately, due to poor ratings, CBS announced the cancellation of the series on November 30, 2006, three weeks after its' premiere on that network. .

Attended Colegio San Ignacio de Loyola in Rio Piedras, Puerto Rico.