Jang Sung-ho (; born October 18, 1977, in Seoul, South Korea) is a South Korean retired first baseman/outfielder who played for the Lotte Giants of the KBO League. He won the batting title in the 2002 KBO league, and was a member of the South Korea national baseball team that won the bronze medal at the 2000 Summer Olympics. At the time of his retirement, he was second on the all-time KBO hit list, with 2,100.