John Henry "Tripp" Isenhour III (born April 6, 1968) is an American professional golfer. Isenhour was born in Salisbury, North Carolina. He played college golf at Georgia Tech and turned professional in 1990. Isenhour played on the Nationwide Tour in 1996, 1998, 1999, 2000, 2003, 2005, 2006 and 2008. He was a member of the PGA Tour in 2001, 2002, 2004, 2005 and 2007. He has not played on either tour since 2008.