Matthew Bryan "Matt" Chico (born June 10, 1983 in Fullerton, California) is a left-handed starting pitcher for the Washington Nationals of Major League Baseball. A graduate of Fallbrook Union High School, Chico attended Palomar College and was selected by the Arizona Diamondbacks in the third round of the 2003 amateur draft. On August 7, 2006, he was acquired by the Nationals along with fellow minor league pitcher Garrett Mock in a trade for veteran right-handed pitcher Liván Hernández.