This is a list of surnames in which the usage is Iranian; and the description contains the keywords ruler or of or water.
Attar عطار PersianFrom Persian
عطر (ʿaṭr) meaning
"fragrance, perfume", ultimately from Arabic. It probably denoted a seller of perfume.
Shirazi شیرازی PersianOriginally denoted someone who came from the city of Shiraz, located in southern Iran. The city's name is possibly of Elamite origin.
Tehrani تهرانی PersianIndicated a person from the Iranian city of Tehran, of unknown meaning.