Barbora Krejčíková (born 18 December 1995) is a Czech professional tennis player. She has a career-high singles ranking of world No. 2, achieved on 28 February 2022, and became world No. 1 in doubles on 22 October 2018.
Krejčíková has won two Grand Slam singles titles (at the 2021 French Open and at the 2024 Wimbledon Championships) and seven major doubles titles, including the career Super Slam in women's doubles. She won all seven of her women's doubles majors partnering with compatriot Kateřina Siniaková. She also won three mixed doubles titles, all at the Australian Open, in 2019 and 2021 with Rajeev Ram and in 2020 with Nikola Mektić. She is one of only two active female players to have won a major in all three disciplines, alongside Venus Williams.
Krejčíková has won eight singles and eighteen doubles titles on the WTA Tour, including one at the WTA 1000 level in singles and two in doubles. Alongside her major titles, Krejčíková won the 2021 WTA Finals and a gold medal at the 2020 Tokyo Olympics in women's doubles, both partnering with Siniaková, and was part of the Czech team that won the 2018 Fed Cup. The pairing also finished runners-up at two WTA Finals and the 2021 Australian Open.
Wimbledon Women 2024 WTA Tour Womens | French Open Women 2021 WTA Tour Womens | Olympics Gold 2020 Czech Republic Tennis | Fed Cup 2018 Czech Republic Tennis |