Kim Bùi (born 20 January 1989) is a German artistic gymnast.
Bui's father is from Laos and her mother is Vietnamese.
Injuries kept Bui out of competition for a long time. She was named an alternate to the German team for the 2008 Summer Olympics in Beijing. In 2009, she competed at the American Cup, winning the bronze medal in the All-Around competition behind Jordyn Wieber and Bridget Sloan of the USA. She tore her ACL in 2010 and took six months off to recover.
In April, she competed at the European Championships in Berlin, Germany. She performed only on the uneven bars and qualified in 5th position to the event final with a score of 14.450. She improved her score to 14.675 to win the bronze medal in the final behind Elizabeth Tweddle of Great Britain and Tatiana Nabieva of Russia.
Bui competed at the 2012 Summer Olympics and finished in ninth place with the German team. She failed to reach finals in her three individual events, qualifying in 19th place on uneven bars, 56th place on beam, and 37th place on floor.
In November, she teamed up with Marcel Nguyen to compete at the Swiss Cup in Zürich. They won the bronze medal behind Elisabeth Seitz and Fabian Hambüchen of Germany and Giulia Steingruber and Claudio Capelli of Switzerland. In December she competed at the Stuttgart World Cup, placing fourth in the all-around competition, fifth on floor, and fifth on vault. She won silver medals on the beam and uneven bars exercises, tying with her compatriot Elisabeth Seitz for the latter. A week later, she competed at the Glasgow World Cup event in Scotland, winning a bronze medal in the all-around competition, a bronze medal on uneven bars, bronze on the floor exercise, and placing 5th and 6th on beam and vault respectively.
Bui competed at the German National Championships in Rhein-Neckar in May, performing well to win gold on vault with 14.249, silver on floor scoring 14.266, and bronze in the all-around with an overall score of 54.032.
She later competed at the Anadia World Cup in Portugal, placing fourth on vault and floor, sixth on uneven bars, and fifth on beam. That July, Bui competed at the Summer Universiade in Kazan, contributing to Germany's bronze medal finish. She also took bronze in the all-around, edging out Canada's rising star Elsabeth Black. In event finals, she placed eighth on vault, fourth on uneven bars, and fourth on floor.
Bui did not compete internationally again until the Arthur Gander Memorial in late October, placing fourth in the all-around. She was named to one of the German teams for the Stuttgart World Cup in November, where she won the bronze medal in the Team Challenge.
In March, Bui competed at the Cottbus World Cup in Germany. She won silver on vault and floor exercise in event finals, scoring 14.262 and 13.925 respectively, and placed fourth on uneven bars. In April she travelled to Japan for the Tokyo Cup where she placed 7th in the all-around competition.
In May, she competed at the 2014 European Championships in Sofia, Bulgaria. She qualified to the vault final in 8th place with a score of 13.899, and to the uneven bars final in 7th place with a score of 14.500. In qualifying, she scored 13.200 on floor and placed 29th. In the vault event final Bui placed seventh with a score of 13.916, and in the bars event final, she scored 14.400 to finish seventh.
At the German National Championships in August, she claimed the gold medal in the all-around and floor exercise competitions, as well as taking silver on uneven bars and bronze on vault, and placing fifth on beam. The following week, the German team competed at a friendly meet against Switzerland and Romania in Obersiggenthal, Switzerland, winning a surprise team gold medal. Kim Bui individually won silver medals on uneven bars and floor exercise.
Bui was named to the German team which competed at the 2014 World Artistic Gymnastics Championships in Nanning, China. She competed on all four pieces in the qualifying round, but the team placed 9th and did not advance to the final team competition. Bui individually did not qualify for any finals, placing 31st in the all-around qualification (3rd reserve), 24th on uneven bars, 23rd on beam and 154th on floor.
In late November, she competed at the Stuttgart World Cup, edging out seasoned competitors such as Vanessa Ferrari and Aliya Mustafina to win the bronze medal in the all-around competition.
In April, Bui competed at the Bundesliga competition in Mannheim, Germany, where she performed on vault, uneven bars, and floor exercise.
Bui competed at the 2016 Summer Olympics in Rio de Janeiro as part of the German artistic gymnastics team. The team finished in 6th place in the women's team all-around competition. She did not qualify for any event finals, finishing 19th on uneven bars and 29th on floor exercise.