The Kingdom of Croatia (Croatian: Kraljevina Hrvatska, Latin: Regnum Croatiae), or Croatian Kingdom (Croatian: Hrvatsko Kraljevstvo), was a medieval kingdom in Central Europe comprising most of what is today Croatia (without western Istria and some Dalmatian coastal cities), as well as most of the modern-day Bosnia and Herzegovina.
Horvaatia kuningriik (ladina: Regnum Croatiae; horvaadi: Kraljevina Hrvatska, Hrvatsko Kraljevstvo) oli keskaegne kuningriik Kesk-Euroopas, koosnedes enamasti sellest, mis praegu on Horvaatia (ilma enamuse Istriata ja mõne Dalmaatsia rannikulinnata), samuti tänapäeva Bosnia ja Hertsegoviina osadest.