Alexander Rafael Romero Galban (born September 9, 1983, in Maracaibo, Venezuela) is a Major League Baseball outfielder for the Arizona Diamondbacks.
Romero was signed by the Minnesota Twins on July 2, 2002, as an undrafted free agent. After spending 5 years in the Twins organization, he was claimed off waivers by the Arizona Diamondbacks on January 19, 2007. Romero began the 2008 season on the Diamondbacks 25-man roster.
Romero made his major league debut on April 2, 2008, against the Cincinnati Reds, when he came in the game as a pinch hitter, making him the 217th Venezuelan-born player in Major League Baseball. He laid down a successful sacrifice bunt. On April 3, 2008, Romero recorded his first career RBI, when he hit a sacrifice fly as a pinch hitter. For the season, he batted .230 with a .250 on base percentage.