Katherine Wei-Sender (born 4 October 1930) is a Chinese American contract bridge player. She won major tournaments primarily as Kathie Wei.Born in Beijing in 1930, she emigrated to the United States in 1949. She is a graduate of the Shanghai University School of Nursing, and worked as a medical facility administrator until 1972.After retirement, she pursued her interest in bridge. She won the world Women's Pairs in 1978, the Women's Olympiad Teams in 1984 and the Venice Cup in 1987 and 2003. In 1987 Wei-Sender was elected an Honorary Member of the American Contract Bridge League, and the Ambassador of Bridge for the World Bridge Federation.In the United States, she has lived in Houston, Texas, Nashville, Tennessee and New York City.Wei-Sender was inducted into the ACBL Hall of Fame in 1999.