Lucie Hradecká (Czech pronunciation: [ˈlutsɪjɛ ˈɦradɛtskaː]; born 21 May 1985 in Prague) is a professional tennis player from the Czech Republic. In her career, Hradecká has won 19 WTA doubles titles, including two Grand Slam titles, the 2011 French Open and the 2013 US Open, partnered both times by fellow Czech Andrea Hlaváčková. The pair are also the 2012 Olympic silver medallists in doubles. She has also won a mixed doubles Grand Slam title, the 2013 French Open with František Čermák. Her biggest singles career highlight to date was defeating former world number one Ana Ivanovic in the first round of the 2015 Australian Open.

She won her first doubles title on the WTA Tour in 2006 at Portorož with partner Renata Voráčová, as the fourth-seeded team. In the final, the Czech team defeated Eva Birnerová and Émilie Loit, the second seeds, by walkover. They also had a victory over the top seeds Maria Elena Camerin and Emmanuelle Gagliardi in the semifinal.

As qualifiers, she reached the third round of doubles competition with Hana Šromová at the 2006 Wimbledon Championships before going down to fifth seeds Meghann Shaughnessy and Anna-Lena Grönefeld. En route they defeated twelfth seeds Svetlana Kuznetsova and Amélie Mauresmo, both Grand Slam singles champions at the time and the previous year's Wimbledon doubles runner-ups by walkover.