This is a list of career achievements by Danish tennis player Caroline Wozniacki. To date, she has won 30 singles titles including a Grand Slam title, a WTA Finals title, three WTA Premier Mandatory titles and three WTA Premier 5 titles. She was the winner of the 2018 Australian Open and the 2017 WTA Finals, and the runner-up at the 2009 US Open, the 2010 WTA Tour Championships, and the 2014 US Open. Wozniacki was first ranked world No. 1 by the WTA on October 11, 2010.
On 2 November 2014, Wozniacki made her marathon debut, completing the New York City Marathon in a time of 3:26:33. This time was good enough to qualify for the 2016 Boston Marathon but Wozniacki said she will not run another marathon for a few years.
Wozniacki appeared in the 2015 Sports Illustrated Swimsuit Issue, following other number one-ranked singles tennis stars: Steffi Graf (1997), Serena Williams (2004), Venus Williams (2005), Maria Sharapova (2006), Ana Ivanovic (2010) and Rafael Nadal (2012) who have appeared in the issue.
In the 2016 Summer Olympics, Wozniacki was the Denmark flag bearers at the opening ceremony.
In May 2018, Wozniacki was appointed Knight of the Order of the Dannebrog by the Queen of Denmark.
Wozniacki performed a 13-match win streak in the 2010 US Open Series, which is the second longest of the 2010 season.