Branko Bošnjak (14 January 1923 – 18 June 1996) was a Croatian philosopher, member of the Praxis school in the former Yugoslavia.
Bošnjak was a professor at the Faculty of Philosophy at the University of Zagreb and for a period a head of the Department for History of Philosophy and a dean of the faculty.
He was a member of the Croatian Academy of Sciences and Arts.
He died in Zagreb and was buried in Mirogoj Cemetery.
Bošnjak's main fields of interest were religion and history of philosophy.