Hsieh Su-wei (Chinese: 謝淑薇; pinyin: Xiè Shúwéi; pronounced [ɕjê ʂǔ wěɪ]; born 4 January 1986) is a Taiwanese professional tennis player.

Hsieh has also won two Grand Slam titles in mixed doubles, winning with Jan Zieliński the 2024 Australian Open and the 2024 Wimbledon Championships.

Most of her singles success came on hard courts, where she won all three of her WTA Tour titles, reached a Premier 5 semifinal at Dubai in 2019, defeated world No.

Upon Hsieh's retirement from singles in 2024, commentators called her "a killer on the court [who] can produce shots that defy geometry and the laws of physics" while also being deeply respected by her colleagues and a charming presence on the tour.

In October 2004, she reached her first WTA doubles final at the Korea Open at the age of 18, where she and compatriot Chuang Chia-jung were beaten by hometown players Cho Yoon-jeong and Jeon Mi-ra.

Hsieh then managed to end the year strong by winning the Bali International with Peng Shuai and defending her title in Korea with compatriot Chuang.

Hsieh opened the 2009 season by winning the doubles title with Peng at her first tournament of the year, the Premier-level Sydney International, defeating Nathalie Dechy and hometown favorite Casey Dellacqua in the final.

After a pair of early exits in Indian Wells and Stuttgart, Hsieh and Peng advanced to the final of the Italian Open, a Premier-5 tournament, where they were seeded seventh.

Hsieh was successful though in mixed doubles at both majors, partnering Zimbabwe's Kevin Ullyett en route to a Wimbledon quarterfinal and US Open semifinal.

1 and recent French Open winner, Maria Sharapova, in straight sets, this marked Hsieh's best performance at a Grand Slam in four and a half years.

[11] Although she was knocked out in the first round of the singles tournament by her close friend and partner Peng Shuai, she and Chuang reached the quarterfinals in doubles, where they were beaten by the eventual silver medalists Andrea Hlaváčková and Lucie Hradecká.

In singles, she was beaten by eventual champion Roberta Vinci in the first round, while falling in the quarterfinals of the doubles tournament with partner Gabriela Dabrowski to Iveta Benešová and Barbora Záhlavová-Strýcová.

At the US Open, she suffered a three-set loss in singles to Magdaléna Rybáriková in the first round, but was successful in the women's doubles tournament with partner Anabel Medina Garrigues, where they reached the semifinals.

Facing the 17-year old Brit Laura Robson, the silver medalist in mixed doubles with Andy Murray at the 2012 Olympics who had defeated both four-time Grand Slam Champion Kim Clijsters and 2011 French Open champion Li Na, en route to the fourth round at the US Open less than a month earlier, Hsieh played the most intense tennis match of her life.

Seeded second, they defeated Nadia Petrova and Katarina Srebotnik in the semifinals and Ekaterina Makarova and Elena Vesnina in the final to win the year-ending championships, and their fifth title of 2013.

Partnering Sania Mirza, they reached the final at the Premier event in Doha before falling to the American duo of Raquel Kops-Jones and Abigail Spears.

Despite getting off to a slow start with early exits in Indian Wells and Miami, the duo found more success during the clay court season, reaching the quarterfinals in Madrid and Rome.

Entering the French Open as a defending champion, Hsieh and Pennetta quickly progressed to the quarterfinals, but were undone in three sets by Hlaváčková and Hradecká.

Ranked outside the top 100 going into the tournament, Hsieh pulled off the biggest win of her career by defeating reigning Miami Open champion and world No.

Partnering Oksana Kalashnikova, they won the Budapest Grand Prix in February, her 18th career WTA doubles title, and her first since winning the French Open in 2014.

2, Agnieszka Radwańska, in straight sets to reach the fourth round of a major event for the first time since she did so at the Australian Open ten years earlier.

Facing 17-year old American Amanda Anisimova, one of the youngest players on tour, Hsieh defeated the young upstart in straight sets to win her third career singles title, and her first in six years.

Thanks to her renaissance career year in singles, consistent results, and the withdrawals of a few higher-ranked players, Hsieh was invited to serve as the second alternate to the Elite Trophy, which she accepted, although she did not end up competing.

Hsieh started the year strong with another semifinal run at the Auckland Open, where she fell to qualifier Bianca Andreescu, then a second-round loss in Sydney to Petra Kvitová.

She teamed with Abigail Spears in the women's doubles tournament, where the pair was seeded eighth, but they were upset by eventual champions, Sam Stosur and Zhang Shuai, in the second round.

1 and 13th seed, Caroline Wozniacki, in the fourth round to advance to her first Premier Mandatory quarterfinal, where her tournament came to an end against the 21st-seeded Estonian Anett Kontaveit.

At Wimbledon, they reached their first Grand Slam final as a pair after defeating Elise Mertens and Aryna Sabalenka, who won the Sunshine Double earlier that year, in the quarterfinals and the top seeded team of Babos and Mladenovic in the semis.

[16] At Wimbledon, Hsieh and Elise Mertens won the doubles title for the third time, beating Veronika Kudermetova and Elena Vesnina in the final, after saving two championship points.

[36][37] With Tsao Chia-yi,[38] she reached the quarterfinals at the Paris Olympics, defeating Romanian duo Irina-Camelia Begu and Monica Niculescu[39] and Ukrainians Marta Kostyuk and Dayana Yastremska.

[42] Partnering Jeļena Ostapenko, Hsieh reached the doubles final at the Australian Open, losing to top seeds Kateřina Siniaková and Taylor Townsend in three sets.