Family name Janaky (Janaky 
) , across the world, is a rare surname. The cognomen Janaky is characteristic of Hungary, where it is a rare surname, India, where it is a very rare surname, and Malaysia. In absolute terms, this name is the most popular in India, the United States, and Hungary. More frequently, Janaky is the forename as well as the last name.
Pi, Palani, Ramudu, Manohar, Ramayya, Ramaiah, Ragavan, Ngui Ah Chong, Muniandy, Krishnan, Rengaboyan, Gugulotu, Mullamkunnath, Shanmugam, Duraisamy, Natarajan, Velaitham, Sekharan Nair, Subramanian, Subramaniam, Padmanabhan, Prabhavathi, Chakma, Appawo, Vello, Ganta, Di, Ace, Bai, Bee, Kay, Ram, Rao, Jee, Tie, Amma, Sundararaman, Raju, Devi, Devy, Janu, Vasu, Velu, Iyer, Ammal, Amulu, Raman, Reddi, Raam, and Anantharaman