Dominika Navara Cibulková (Slovak pronunciation: ; born 6 May 1989) is a professional Slovak tennis player currently ranked world No. 5 by the Women's Tennis Association (WTA). Known for her quick and aggressive style of play, she has won eight WTA singles titles and two on the International Tennis Federation tour.
Cibulková has reached the quarterfinals or better of all four Grand Slam tournaments. One of the most notable achievements of her career to date was a finals appearance at the 2014 Australian Open, when she became the first female Slovak to reach the championship round of a Grand Slam. She also won the WTA Finals in 2016, becoming the fourth player (after Serena Williams in 2001, Maria Sharapova in 2004 and Petra Kvitová in 2011) to win the tournament on debut.