Olivia "Bong" Coo (born June 3, 1948) is a Filipino sports administrator and retired professional bowler. She is regarded as the most decorated Filipino athlete. As a member of the Philippine national team, she has amassed a total of 78 medals won in regional and world competitions, 37 of which were gold medals. She is a 4-time world champion and a World Bowling Hall of Fame and Philippine Sports Hall of Fame member.