Sadraldin Mustafa Sheykhoghlu (Turkish: Sadrüddin Mustafa Şeyhoğlu) (1340/1341 – ~1410) was Turkish poet and translator who had major influence on Ottoman diwan poetry especially the masnavi genre. Some sources have referred to him as "Mustafa Sheykhoghlu" or "Sadraldin Sheykhoghlu". The date of his death have been quoted around 1341 but its place is unknown.