Surname Rohantha (Rohantha 
) , throughout the world, is an extremely rare last name. Much more prevalently, Rohantha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rohantha | Singapore, India, Australia, United States, Sri Lanka |
Silva, Perera, Migelratne, Anthony, Rodrigo, Don Gabriel, Liyanage, Fernando, Surangeeth, Rajapakse, Abeysekera, Athukorala, Jayasuriya, Dissanayake, and Jayawardhana