Last name Kiumars (Kiumars 
) , around the world, is a very rare family name. The cognomen Kiumars is characteristic of Spain, where it is a very rare surname, Iran, and Mexico, where it is an extremely rare surname. Much more frequently, Kiumars is the forename as well as the last name.
Siah, Hekmat, Vadiei, Farahi, Moghimi, Sabouhi, Abadian, Kaibollahi, Zargari, Mostowfi, Moghadam, Shadibakhsh, Bourbour, Kakavand, Khanboluki, Kiumarsy, Lalezarzadeh, Zarinnia, Saketkhoo, Soleimany, Soleymani, Gahvarehei, Elhami, Nabavi, Jalali, Gourki, Bigy, Pour, Shams, Arfai, Amiri, Amini, Bahri, Kasra, Kaveh, Kiani, Mohandespour, Dibai, Vafai, Moradi, Arzani, Assadi, Afshar, Bafekr, Kamali, Parvin, Rahimi, Rahbar, Haziq, and Zolfaghari