Antun "Ante" Kovačić (June 6, 1854 – March 10, 1889) was a Croatian writer who is best known for his magnum opus work U registraturi.

His stories and novels often had strong satiric overtones and represent harsh criticism to injustice in Croatian society of his time.

One of his novels, Među žabari, remained unfinished because citizens of Karlovac protested after reading its first paragraphs in a local newspaper.

In it he expressed great deal of sympathy for common Croatian people, most notably peasants whom he saw as superior to snobbish citizenry.

[7] In his later years, Kovačić began to show symptoms of mental disorder which gradually affected his work, including the last chapters of U registraturi.