Stefan Geosits (Croatian: Štefan Geošić, Hungarian: Geosits István; 27 August 1927 – 20 June 2022) was a Burgenland Croatian Catholic priest in Austria, who worked as a lay theatre manager and director, translator, writer and historian.

He completed studies in Szombathely and Vienna in 1952, and then was chaplain of Croatian settlements in Nikitsch, Parndorf and Kroatisch Minihof [de], all in Burgenland.

He initiated a new church building [de] in 1972, heading for a consecration in 1976, when the parish celebrated its 700th jubilee.

[2] In Klingenbach, he also immediately founded and headed an amateur Croatian theater group in 1958,[3][4] translating plays and directing productions.

[1][5] He authored and edited many publications, monographies and religious books in Croatian, German and Hungaria.