Family name कूमार (कूमार ) , globally, is a very rare cognomen. The family name कूमार is habitual in Southern Asia, particularly India, where it is an extremely rare surname.
Kuumaar, and Kūmār
अजय, मूकेश, पवन, अशोक, राज, पपू, अनिल, संतोष, सूरज, मनोज, मोनू, नीरज, मुकेश, राकेश, बबलू, and राजू