Jeremy Dean Giambi (; born September 30, 1974 in San Jose, California) is a left-handed, former professional baseball player for the Kansas City Royals, Oakland Athletics, Philadelphia Phillies, and Boston Red Sox. He also played in the minors for the Los Angeles Dodgers and Chicago White Sox. He attended Cal State Fullerton and was drafted by the Kansas City Royals in the 6th round of the 1996 amateur draft. He last played in the majors in 2003 for the Red Sox. After being released by the Red Sox, Giambi signed minor league deals with the Dodgers in 2004 and the White Sox in 2005. He is the younger brother of Jason Giambi.