History:

I can say that surnames, in general, often spread because people move for work, marriage, or to seek new opportunities.

The gotras associated with this surname are aatreya, dadhich, harikatla, mahadeva and raj parashar. The Kuldevtas associated with this surname are bhavani, khandoba, venkateshwara and tirupati balaji.

Description:

The surname Rajeswararao is fairly common in Andhra Pradesh and Telangana, India. The religion associated with RAJESWARARAO surname is hinduism. The communities associated with this surname are kshatriya, brahmin and reddy. The MotherTounge associated with this surname is telugu.
Its mainly linked to Telugu-speaking Brahmin communities, especially those of the Smartha tradition who follow Advaita Vedanta. The name itself blends "Rajeswara," a name for Lord Shiva, and "Rao," a typical Telugu suffix showing status or respect. This surname suggests that this surnames ancestors were devoted to Lord Shiva or held positions of authority.

Telugu is the language most commonly spoken by people with the surname Rajeswararao, suggesting that the name likely originated in Andhra Pradesh or Telangana. Because of migration and diaspora, speakers of Telugu may also be fluent in English, Hindi, or other Indian languages, depending on where they live now and their education. Some may also speak regional languages such as Tamil, Kannada, or Marathi, influenced by nearby states. Language skills vary based on personal circumstances and family history, but Telugu remains a key language that this surname identifies with.

The surname Rajeswara Rao appears in these variations: Rajeswara Rao, Rajeswararao, and Rajeshwara Rao.