Family name Rantu (Rantu 
) , throughout the world, is quite a rare cognomen. The family name Rantu is characteristic of Bangladesh, where it is a rare surname, South Africa, where it is a very rare surname, and India. Measured by absolute frequency, the name is most common in India, Bangladesh, and Indonesia. More frequently, Rantu is the forename as well as the last name.
Sk, Kumar, Rabha, Dutta, Gogoi, Ghosh, Oraon, Yadav, Mandal, Mondal, Sarkar, Saikia, Saiekh, Sharma, Chutia, Baruah, Barman, Biswas, Kalita, Malakar, Sonowal, Talukdar, Borah, Hazarika, Bauri, Sheik, Sen, Ali, Pal, Ray, Roy, Deb, Dey, Das, Saha, Sekh, Bora, Khan, Paul, Devi, Deka, Jana, Nath, Majhi, Munda, Sarma, Shaik, Singh, and Chakraborty