Horthy is a Hungarian surname. It may refer to:
The Horthy family Miklós Horthy (1868–1957), regent of Hungary from 1920 to 1944 István Horthy (1904–1942), Hungarian politician, elder son of Miklós Miklós Horthy Jr. (1907–1993), Hungarian politician, younger son of Miklós István Horthy Jr. (born 1941), Hungarian architect, son of István