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.
Raman Name Meaning. Indian (Kerala, Tamil Nadu): Hindu name from Sanskrit rama 'pleasing', 'charming' (see Ram) + the Tamil-Malayalam third-person masculine singular suffix -n. This is only a given name in India, but has come to be used as a family name in the U.S.
Ramaswamy Name Meaning. Indian (Tamil Nadu, Karnataka): Hindu name meaning 'lord Rama' (from Sanskrit rama 'pleasing', name of an incarnation of the god Vishnu, + svami 'lord'). This is only a personal name in India, but has come to be used as a family name in the U.S.
Raman is a name of Indian origin, used both as a family name and as both a feminine and a masculine given name. Raman is a masculine given name of Belarusian origin.