Osti (surname)

The surname Osti or Osty may refer to:


 * Carlo Osti (born 1958), Italian footballer
 * Eugène Osty (1874–1938), French physician and psychical researcher
 * Éva Osty, birth name of Éva Darlan (born 1948), French actress
 * Jean Osty (1920–2011), pen name Jean Lartéguy, French writer, journalist and former soldier
 * Josip Osti (1945–2021), Bosnian poet, prose writer and essayist, literary critic, anthologist and translator
 * Massimo Osti (1944–2005), Italian garment engineer