Mijo Lončarić (1 September 1941 – 21 June 2023) was a Croatian linguist.
He received a degree in Yugoslav languages and literature and German at the Faculty of Humanities and Social Sciences, University of Zagreb in 1966, and a PhD with a thesis on Bilogora Kajkavian speeches (published in 1986).
After lecturing at various foreign universities in 1973 he started working at the Institute of Croatian Language and Linguistics, serving as a Director in the period 1993-1995.
[1] Lončarić published numerous dialectological works, especially on Kajkavian dialect (Kaj jučer i danas, 1991; Kajkavsko narječje, 1996), and conducted field research of hundreds of local dialects.
He was the head of the Croatian linguistic atlas project.