Kassai (surname)

Kassai is the surname of the following people:
 * Ervin Kassai (1925–2012), Hungarian basketball referee
 * Fernander Kassaï (born 1987), Central African footballer
 * Hassan Kassai (1928–2012), Iranian classical musician
 * István Kassai (born 1959), Hungarian pianist
 * Lajos Kassai (born 1960), Hungarian archer
 * Viktor Kassai (born 1975), Hungarian football referee