Lončarić is a Croatian surname. The surname may refer to:
Filip Lončarić (1986–), Croatian professional football goalkeeper Marija Planić-Lončarić (1933–1992), Croatian art historian Mijo Lončarić (1941–), Croatian linguist Sandra Lončarić (1974–), Croatian actress Zvonimir Lončarić (1927–2004), Croatian sculptor and painter. Nenad Lončarić (1972–), Croatian rally driver.