The House of Károlyi is the name of an old and prominent Hungarian noble family, whose members held the title of Count in Hungary, awarded to them on 5 April 1712 by Charles VI, Holy Roman Emperor. They claim descent from the late 9th century Magyar chieftain Kond.

• Károlyi family
  • László Károlyi (1622–1689), Hungarian politician
  • Sándor Károlyi (1668–1743), first count
  • Ferenc Károlyi (1705–1758) Hungarian count and soldier
  • Antal Károlyi (1732–1791), Hungarian politician
  • József Károlyi (1768–1802), Hungarian politician
  • István Károlyi (1797–1881), Hungarian politician
  • Lajos Károlyi (1799–1863), Hungarian politician
  • György Károlyi (1802–1877), Hungarian politician
  • László Károlyi (1824–1852), Hungarian naval officer
  • Alajos Károlyi (1825–1899), Austro-Hungarian diplomat
  • Gyula Károlyi (1871–1947), former Prime Minister of Hungary (1931–1932)
  • Mihály Károlyi (1875–1955), former Prime Minister of Hungary (1918–1919)
  • Tibor Károlyi (politician) (1843–1904), Hungarian politician
  • Manó Ferenc Károlyi de Nagykároly (1821–1879), Hungarian politician
• Karolys Family
  • Ecuadorian descendants of Count Ede Mano Ferenc Károlyi de Nagykároly (1821–1879)
    • Gonzalo Karolys (1923-2020), President of the Ecuadorian Supreme Court
    • Marcelo Karolys (Born 1943), Ecuadorian Industrialist in the oil industry
    • Rodrigo Karolys (Born 1979), Ecuadorian English teacher and translator

• Károly, a Hungarian given name and surname
• Karoli (disambiguation)
• Károlyi Castle
• Károlyi Palace
• Nagykároly or Carei, a Hungarian-majority town in Satu Mare County, Romania
• List of titled noble families in the Kingdom of Hungary