Cognomen Jonu (Jonu 
) , globally, is a rare last name. The family name Jonu is characteristic of Bangladesh, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and India. More prevalently, Jonu is the forename as well as the last name.
Mia, Marak, Mehta, Might, Murmu, Saini, Sabar, Singh, Ahmed, Barua, Kumar, Tyagi, Verma, Yadav, Mathew, Sangma, Sharma, Bansal, Thakur, Charlie, Chauhan, Kashyap, Ojha, Dudhraj, Joji, John, Sam, Sah, Pal, Ram, Das, Jon, Joy, Miah, Sain, Sekh, Soni, Alam, Bala, Khan, King, Rana, Rose, Devi, Garg, Jain, Jose, Jony, and Bhattachan