Xia Lian Ni

Ni Xia Lian (; born 4 July 1963) is a Chinese-born Luxembourgish table tennis player who has represented Luxembourg in international competitions since 1991. Born in Shanghai, China, she currently lives with her husband, Tommy Danielsson, in Ettelbruck, Luxembourg.

Personal Ni began playing table tennis at age 7, and she joined the Chinese national team when she was a teenager.

Career Ni won team and mixed doubles gold medals for China in the 1983 World Table Tennis Championships. She moved to Germany in 1989 and settled in Luxembourg two years later. Her husband, Tommy Danielsson, is her coach and training partner. She was the flag bearer for Luxembourg during the closing ceremony.

When she qualified for the 2020 Summer Olympics at the age of 58, Ni became the oldest Olympian table tennis player.

During the Seamaster 2017 ITTF World Tour Hybiome Austrian Open, Ni won the longest match in table tennis history which lasted 1 hour, 32 minutes, and 44 seconds.

In 2021, Ni, 58 years old, won the women's doubles bronze medal for Luxembourg (LUX) in 2021 World Table Tennis Championships alongside Sarah de Nutte. At the age of 60, Ni was ranked the 46th worldwide.

She competed in table tennis for Luxembourg at the 2024 Summer Olympics in Paris where she was also one of the country's flag bearers during the opening ceremony. She beat Sibel Altinkaya 4-2 in the first round, but lost 4-0 to the current world No. 1 Sun Yingsha.

Ni is noted to be one of "the most beloved athletes" in Luxembourg, where she was honored twice as that country's Sportswoman of the Year.