Kaia Kanepi (Estonian pronunciation: ; born 10 June 1985) is an Estonian tennis player. She achieved her career-high ranking of World No. 15 in August 2012 and holds many firsts for Estonia. Since beginning at the pro circuit in 2000 Kanepi has won 4 WTA titles in singles.
Kanepi won her first WTA Tour title in Palermo in 2010, becoming the first Estonian female player to win a WTA title. She has also reached five Grand Slam quarterfinals in three different Grand Slams, becoming the first Estonian to achieve this and was the first Estonian to be ranked in the world's top 20. She won her second WTA title at the Brisbane International and her third at the Portugal Open, both in 2012. Her most recent title came at the Brussels Open in 2013.