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.

[5] She also competed in women's singles at the 1992 Olympics and represented the United States in 6 World Championships.

Bhushan retired from competition after the 1992 Olympics and was inducted into the USATT Hall of Fame in 1993.