Carlos Juan Delgado Hernández (born June 25, 1972) is a Puerto Rican baseball player, who plays first base with the New York Mets of Major League Baseball. With over 450 home runs, he holds the all-time home run and RBI records among Puerto Rican players.

During his 11-year career with the Toronto Blue Jays, Delgado set many team records, including Home Runs (336), RBI (1,058), Walks (827), Strikeouts (1,242), Slugging Percentage (.556), OPS (.949), Runs (889), Total Bases (2,786), Doubles (343), Runs Created (1,077), Extra-Base Hits (690), Times on Base (2,362), Hit By Pitch (122), Intentional Walks (128) and At Bats per Home Run (14.9).

Delgado was born in Aguadilla, Puerto Rico to Carlos "Cao" Delgado and Carmen Digna Hérnandez. He grew up in the El Prado section of Aguadilla. There, he attended elementary school alongside his three siblings. Both his father, "Don Cao", and his grandfather, Asdrúbal "Pingolo" Delgado, were well-known figures in the town. Carlos has said that this made him feel "protected", but that it also demanded that he had to behave properly.