Edgardo Ralph Romero Rivera (born December 9, 1957 in Santurce, Puerto Rico) is a former infielder for the Milwaukee Brewers (1977, 1980–85 and 1989), Boston Red Sox (1986–89), Atlanta Braves (1989) and Detroit Tigers (1990). He currently serves as the manager of the Tri-City Valley Cats.
He helped the Brewers win the 1981 American League Eastern Division and the 1982 AL Pennant and the Red Sox win the 1986 AL Pennant and 1988 AL Eastern Division.
In 12 seasons, Romero played in 730 games and had 1,912 at bats, 218 runs, 473 hits, 79 doubles, 1 triple, 8 home runs, 155 RBI, 9 stolen bases, 140 walks, a .247 batting average, .298 on-base percentage, .302 slugging percentage, 578 total bases, 36 sacrifice hits, 18 sacrifice flies and 4 intentional walks.
In 2007, Romero was named the Florida Marlins' minor league infield coordinator. He was the Houston Astros' third-base coach in 2008, and became their bench coach the next year. In 2010, he was named manager of the Tri-City Valley Cats of the New York-Penn League. As of 2013, Romero manages a team located nearby in the Hudson Valley Community College campus. He currently resides in Wellington, Florida.