Cognomen Prachayasittikul (Prachayasittikul 
) , around the globe, is a very rare family name. The family name Prachayasittikul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prachayasittikul | Thailand |
| virapong prachayasittikul researcher |
|
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| veda prachayasittikul researcher |
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| supaluk prachayasittikul researcher (ORCID 0000-0002-5395-396X) |
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