Aaron James Small (born November 23, 1971 in Oxnard, California) is a former Major League Baseball pitcher. He is probably best remembered for his short successful stint as a starter for the New York Yankees in 2005. Small also played for the Toronto Blue Jays, Florida Marlins, Oakland Athletics, Arizona Diamondbacks, and Atlanta Braves. Regarded as a career minor leaguer, he played for a total of more than 20 teams, including his major and minor league stops, during his professional career.