Markéta Vondroušová (born 28 June 1999 in Sokolov) is a Czech tennis player.
Vondroušová has won three singles and three doubles titles on the ITF tour in her career. On 16 May 2016, she reached her best singles ranking of world number 286. On 14 September 2015, she peaked at world number 382 in the doubles rankings.
In 2015, Vondroušová won the girls' doubles event at the Australian Open with fellow Czech Miriam Kolodziejová, defeating Katharina Hobgarski and Greet Minnen in the final. In the same year, they won the girls' doubles event at the French Open, where they faced Caroline Dolehide and Katerina Stewart in the final.
Vondroušová made her WTA tour main draw debut in doubles at the 2015 Sparta Prague Open, partnering Kateřina Vaňková. The pair lost their first round match against Kateryna Bondarenko and Eva Hrdinová. A year later, Vondroušová made her WTA debut in singles at the 2016 J&T Banka Prague Open, where she defeated Océane Dodin before her second round loss to eventual tournament runner-up Samantha Stosur.
ITF finals (6–3)
|Runner-up||1.||2 March 2015||Sharm el-Sheikh, Egypt||Hard||Vera Lapko||5–7, 3–6|
|Winner||1.||11 May 2015||Zielona Góra, Poland||Clay||Natela Dzalamidze||6–3, 6–3|
|Winner||2.||15 June 2015||Přerov, Czech Republic||Clay||Ekaterina Alexandrova||6–1, 6–4|
|Winner||3.||14 March 2016||Antalya, Turkey||Clay||Lisa Sabino||6–2, 6–0|
|Winner||1.||2 March 2015||Sharm el-Sheikh, Egypt||Hard||Vera Lapko|| Anna Morgina |
|Winner||2.||11 May 2015||Zielona Góra, Poland||Clay||Miriam Kolodziejová|| Natela Dzalamidze |
|Winner||3.||15 June 2015||Přerov, Czech Republic||Clay||Miriam Kolodziejová|| Martina Borecká |
|Runner-up||1.||10 August 2015||Prague, Czech Republic||Clay||Miriam Kolodziejová|| Kateřina Kramperová |
|6–7(4–7), 7–5, [1–10]|
|Runner-up||2.||14 March 2016||Antalya, Turkey||Clay||Natálie Novotná|| Olga Doroshina |
Junior Grand Slam finals
|Runner-up||2014||French Open||Clay||CiCi Bellis|| Ioana Ducu |
Ioana Loredana Roșca
|1–6, 7–5, [9–11]|
|Winner||2015||Australian Open||Hard||Miriam Kolodziejová|| Katharina Hobgarski |
|Winner||2015||French Open||Clay||Miriam Kolodziejová|| Caroline Dolehide |