Janaka (; ) is a name primarily found in Sri Lanka. Notable people with this name include:
Janaka is the father of Sita, the wife of Rama in the ancient Indian epic Ramayana.
Janaka Perera, Sri Lankan politician Janaka Ratnayake, Sri Lankan entrepreneur Janaka Kumbukage, Sri Lankan actor Janaka Ruwanpura, professor at the University of Calgary, Canada Janaka Stucky, American poet Janaka de Silva, Sri Lankan physician Janaka Walgama, Sri Lankan Army officer Janaka Bandara Tennakoon, Sri Lankan politician Janaka Wakkumbura, Sri Lankan politician
See also Janak (disambiguation) Janaki (disambiguation) Janakpur (disambiguation) Janakpuri (disambiguation) Janakan, a 2010 Indian film