Caroline Wozniacki (born 11 July 1990, Odense) is a Danish tennis player. She is the current World No. 4. She is the only Danish woman currently in the Top 400 on the WTA Tour. She has won 6 WTA Tour events and was the runner up at the 2009 US Open.
Wozniacki is the daughter of Polish parents, father Piotr and mother Anna. Piotr Wozniacki acts as her coach. She is from a very sports-oriented family. Her mother played on the Poland women's national volleyball team. Her father played football professionally in Poland (Miedź Legnica and Zagłębie Lubin), Mannheim Germany, and they moved to Denmark when he signed for Danish club Boldklubben 1909. Her older brother Patrik is a professional football player for BK Frem in Denmark.
Since the 2009 US Open, Wozniacki is the face of Stella McCartney's adidas sportswear.