I know that Dominique Dawes won 3 medals in the Olympics, 2 bronze medals and 1 gold medal. she set the record of having the most medals since 1963 male or female.
Nigeria has won 14 gold medals in olympic since 1960.
The United States.
14 medals after the 2012 Olympics.
Dara Torres has won 4 gold Medals since the 1984 Olympics.
England have not won any Olympic Table Tennis medals. China have won the majority of the table tennis medals since table tennis joined the Olympics in 1988.
The United States led the London 2012 Summer Olympics, with 46 gold medals. That was the most ever by a US team in a non-boycotted Olympics since 1904.