Amy Lyn Acuff (born July 14, 1975) is a track and field athlete from the United States. A high jump specialist, she competed in the 1996, 2000, 2004, 2008 and 2012 Olympic Games as a member of USA Track and Field. Her best Olympic performance came at the 2004 Games, where her jump of 1.99 m earned her fourth place in the final.