Places
* Blagaj, Mostar (Blagaj on the Buna), a village near Mostar, Bosnia and Herzegovina * Blagaj Fort, a medieval fortress near Mostar * Blagaj, Donji Vakuf, a village in Bosnia and Herzegovina * Blagaj, Kupres, a village in Bosnia and Herzegovina * Blagaj Japra (Blagaj on the Sana), a village near Bosanski Novi, Bosnia and Herzegovina * Blagaj Rijeka, a village near Bosanski Novi, Bosnia and Herzegovina * Blagaj, Croatia (Blagaj on the Korana), a village near Slunj, Croatia * Blagaj Castle (Croatia), a ruined castle on the Korana, CroatiaPeople
* Blagaj family, a Croatian, Austrian and Slovenian noble family, cadet branch of the Babonić family * Rihard Blagaj (1786–1858) Slovene aristocrat and botanist {{disambig, geo, surname