Singh Name Meaning. Indian (northern states): originally a Hindu Kshatriya name but now adopted by many different communities, from Sanskrit si?mha 'lion', hence 'hero' or 'eminent person'. It is freely added to Rajput and Sikh male personal names and in the U.S. often serves as a Sikh surname.
While the title Rajkumar (Hindi: राजकà¥à¤®à¤¾à¤°, literally meaning "Son of the King") (for short also known as Kumar', Hindi: कà¥à¤®à¤¾à¤°) was used for all the princely sons of the ruler, the title Yuvraj was applied only to the eldest son and heir apparent to a (Hindu) throne.