Cognomen Rayasam (Rayasam 
) , in all the world, is quite a rare surname. The cognomen Rayasam is habitual in India, where it is a rare surname, the United States, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in India, the United States, and Germany. Very seldom, Rayasam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rayasam | Germany, Canada, United Kingdom, United States, India |
| rayasam seshagiri rao politician, IN (b. 1909) |
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| swati d g rayasam researcher |
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| aditya rayasam researcher |
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Mr, Shiva, Shyam, Subba, Swati, Aruna, Chris, Kelli, Kumar, Kiran, Padma, Pavan, Phani, Ramya, Raidu, Divya, Durga, Gauri, Gowri, Nanda, Navya, Valli, Sashi, Vijay, Satya, Madan, Ms, Sai, Sri, Anu, Ram, Raj, Uma, Mani, Sree, Anna, Anil, Arun, Ajay, Rama, Raju, Ravi, Guru, Jaya, Thej, Naga, Usha, Mohan, and Veera