Surname Sithija (Sithija 
) , globally, is a rare family name. The last name Sithija is characteristic of Southern Asia, particularly Sri Lanka, where it is a rare surname. More prevalently, Sithija is the forename as well as the last name.
Silva, Siriwardana, Weerathunga, Wijesinghe, Gunasinghe, Gajanayaka, Sandaruwan, Thathsara, Fernando, De Saram, Sathsara, Madushan, Vihanga, Gimhana, Ransara, Pituwala, Kalpana, Malshan, Gamage, Romesh, Perera, Kokila, Mendis, Akash, Senevirathna, and Hettiarachchi