Ivan Horvat

Ivan Horvat may refer to:
 * Ivan Horvat (nobleman) (d. 1394), Croatian name for John Horvat, nobleman in the Croatian-Hungarian kingdom
 * Ivan Horvat (footballer) (1926–2012), Croatian footballer best known as Ivica Horvat
 * Ivan Horvat (pole vaulter) (born 1993), Croatian pole vaulter
 * Ivan Horvat (handballer) (born 1993), player for SG Flensburg-Handewitt