István Kiss may refer to:
István Kiss (architect) (1857–1902), Hungarian architect István Kiss (decathlete) (1924–2011), Hungarian decathlete; see 1946 European Athletics Championships – Men's decathlon István Kiss (footballer) (born 1970), Hungarian footballer István Kiss (gymnast) (1948–2025), Hungarian Olympic gymnast István Kiss (long-distance runner) (born 1940), Hungarian long-distance runner; 1966 European Athletics Championships – Men's 5000 metres István Kiss (sculptor) (1927–1997), Hungarian sculptor István Kiss (water polo) (born 1958), Hungarian former water polo player
See also István Szegedi Kis (16th century), Calvinist theologian; see Ráckeve