Károlyi refers to a Hungarian surname that is associated with several notable figures in Hungary's history, particularly in politics and sports. One of the most prominent individuals with this surname is Mihály Károlyi, who was a key political leader during the early 20th century and played a significant role in Hungary's brief period of a republic after World War I. In addition to politics, the Károlyi name is also linked to the world of gymnastics, particularly through Bella Károlyi and Marta Károlyi, who are renowned coaches. They have trained many successful gymnasts, contributing to the sport's popularity and success in the United States and internationally.