Kis, Kış or Kiš, is a surname. Notable persons with this surname include:

• Andriy Kis (born 1982), Ukrainian luger and Olympics competitor
• Attila Kálnoki Kis (born 1965), Hungarian modern pentathlete and Olympics competitor
• Cássia Kis (born 1958), Brazilian actress
• Danilo Kiš (1935–1989), Serbian writer and translator
• Gábor Gellért Kis (1946–2013) Hungarian journalist, professor, and politician
• Gábor Kis (born 1982), Hungarian water polo player and Olympic medalist
• Gergő Kis (born 1988), Hungarian freestyle swimmer and Olympics competitor
• Ivana Kiš (born 1979), Croatian composer
• János Kis (born 1943), Hungarian philosopher, political scientist, and politician
• János Sarusi Kis (born 1960), Hungarian sprint canoeist and Olympics competitor
• Kalman Kiš (1914–date of death unknown), Yugoslavian wrestler and Olympics competitor
• Kevin Kis (born 1990), Belgian footballer
• Miklós Tótfalusi Kis (1650–1702) Hungarian letter cutter, typeface designer, typographer, and printer
• Pavle Kiš (1940–2018) Serbian footballer
• Rita Kuti Kis (born 1978) Hungarian tennis player
• Saša Kiš (born 1989) Serbian footballer
• Tevfik Kış (1934–2019), Turkish wrestler and Olympic medalist
• Tomislav Kiš (born 1994) Croatian footballer
• Yuri Kis (born 1962), Russian breaststroke swimmer and instructor