Lopez Lomong (born January 5, 1985) is a South Sudanese-born American track and field athlete. Lomong, one of the Lost Boys of Sudan, came to the United States at the age of 16 and became a U.S. citizen in 2007. Lomong qualified for the 2008 Summer Olympics in the 1500 meters at the United States Olympic track and field trials in Eugene, Oregon. He was the flag bearer for the United States during the 2008 Summer Olympics Opening Ceremony.