Judikje "Jud" Simons (August 20, 1904 – March 20, 1943) was a Dutch gymnast who competed in the 1928 Summer Olympics.In 1928 she won the gold medal as member of the Dutch gymnastics team.She was born in The Hague and died in Sobibor extermination camp. She was deported and murdered together with her husband Bernard and their five-year-old daughter Sonja and their three-year-old son Leon.