Last name Ponni (Ponni 
) , all over the world, is a rare cognomen. The cognomen Ponni is habitual in Finland, where it is quite a rare surname, Singapore, where it is a rare surname, and Saudi Arabia, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in India, Finland, and Saudi Arabia. More frequently, Ponni is the forename as well as the last name.
Vel, Valavan, Manickam, Selvaraj, Arumugam, Chandran, Krishnan, Gopinath, Haribabu, Varghese, Elakkiya, Manivelan, Shanmugam, Sebastian, Alagappan, Arunkumar, Rajagopal, Veerappan, Karuppaiah, Perumalswami, Subramanian, Sakkappan, Praveen, Pandian, Chesser, Mari, Raja, Devi, Jose, Velu, Kumar, Lavan, Murali, Satish, Suresh, Carlin, Kannan, Kurian, Ramesh, George, Joseph, Thomas, Murugan, Subbiah, Sekeran, Abraham, Ramachandran, and Rajamanickam