Slobodan Štambuk (1 March 1941 – 27 September 2023) was a Croatian bishop of the Roman Catholic diocese Hvar.
1966 to 1968 he worked in Gornji Humac and Pražnica, before he moved to Hvar.
In 1978 he returned to Brač and was a priest in Nerežišća until 1981, and then in Supetar and Škrip until 1989.
Štambuk was consecrated as the Bishop of Hvar on 30 March 1989 by archbishop Gabriel Montalvo Higuera.
Štambuk died in Split on 27 September 2023, at the age of 82.