Dana Turner Coons Thiele (born September 27, 1978 in Fairfax County, Virginia) is an American long distance runner. She is a two-time qualifier for the US Olympic Trials (10,000m in 2004, marathon in 2008), and in 2007 was ranked 16th in the country for the marathon with a time of 2:38:18. In the 2008 Olympic Marathon trials in Boston, Coons finished 30th in a time of 2:41:31. Her twin brother, Jason Turner Coons, played club lacrosse at James Madison University.