Daniela Hantuchová ( , roughly HAHN-too-khoh-vah; (born April 23, 1983 in Poprad, Czechoslovakia, now Slovakia) is a Slovak professional tennis player.

She is currently working with a number of coaches who work out of the Sánchez-Casal Academy, primarily Ángel Giménez and occasionally with Eduardo Nicolás. Her WTA Tour mentor in the "Partners for Success" program was Martina Navratilova, who was her doubles partner for a brief period in early 2005. On 25 February 2008, Hantuchová was ranked World No. 7 in singles, her highest ranking since reaching World No. 5 in 2003.