Surname Kumarz (Kumarz 
) , throughout the world, is a rare cognomen. The cognomen Kumarz is habitual in Southern Asia, particularly India, where it is a very rare surname. Much more frequently, Kumarz is the forename as well as the last name.
Sah, Gupta, Gorav, Vanod, Varma, Vajay, Yadav, Manish, Mukesh, Sandip, Sanjay, Satish, Shamar, Suresh, Krishn, Pardip, Prasad, Ramesh, Rajesh, Rakesh, Gaurav, Naresh, Dipak, Pavan, Patel, Chand, Say, Sih, Sen, Bai, Pal, Ram, Raj, Riv, Das, Lal, Nishad, Sahu, Sing, Vati, Isah, Manoj, Singh, Sunil, Anand, Ashok, Ainal, Aimat, Shav, and Saurabh