Insook Bhushan (born Na In-Sook, February 17, 1952) is a South Korea-born American table tennis player. She was a member of the South Korean women's team that won the bronze medal at the 1971 World Championships. At the 1973 World Championships, she was limited to the role of "non-playing captain" of the gold medal-winning South Korean women's team. In 1974, she emigrated to the United States, where her father had established an import-export business. The following year, she married the architect Shekhar Bhushan and in 1980 became a US citizen.