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Around the world, Janaka (Janaka , जनक ) is a common unisex forename. The forename Janaka is characteristic of Sri Lanka, where it is quite a common boy's name, Qatar, where it is quite a common primarily boy's, but very infrequently girly name, and Maldives, where it is quite a common boy's name. In absolute terms, this name is the most popular in Sri Lanka, India, and Saudi Arabia. Much less frequently, Janaka is the last name as well as the forename.
Ma, Priyantha, Ratnayake, Nishantha, Ekanayake, Weerakoon, Samarakoon, Ranasinghe, Rajapaksha, Rathnayake, Rathnayaka, Dahanayake, Gunasekara, Jayasinghe, Wijesinghe, Chathuranga, Dissanayake, Dissanayaka, Edirisinghe, Weerasinghe, Pushpakumara, Priyadarshana, Fernando, Hettiarachchi, Liyanage, Chaminda, Don, Devi, Dias, Majhi, Silva, Alwis, Ruwan, Bhatra, Kumara, Perera, Peiris, Prasad, Gamage, Lakmal, Herath, Manjula, Sampath, Bandara, Bhatara, Pradeep, Sanjeewa, Prasanna, and Wickramasinghe