Edgar Díaz Serrano (born February 8, 1964) is a retired Major League Baseball shortstop. He played during two seasons at the major league level for the Milwaukee Brewers. He was signed as an amateur free agent by the Brewers in 1982. Díaz played his first professional season (in American baseball) with their Rookie league Pikeville Brewers in 1982, and his last with the Toronto Blue Jays' Triple-A Syracuse Chiefs in 1995.

• List of Major League Baseball players from Puerto Rico

• "Edgar Diaz Statistics". The Baseball Cube. 22 January 2008.
• "Edgar Diaz Statistics". Baseball-Reference. 22 January 2008.

• Career statistics from Baseball Reference, or Baseball Reference (Minors)