Rai (surname)
Look up राय in Wiktionary, the free dictionary.
Rai is a surname that has been in use since historical times in South Asia. Etymologically, the name is derived from rāya, a term found in Shauraseni Prakrit, which itself is originates from the Sanskrit term rājan. Rai is a linguistic doublet of the Hindi word rājā; both terms share the same meaning, referring to a king or ruler.