Sithambarampillai Thurairaja, PC (Tamil: சிதம்பரப்பிள்ளை துரைராஜா, romanized: Citamparappiḷḷai Turairājā) is a Sri Lankan lawyer and a sitting puisne justice of the Supreme Court of Sri Lanka.
Thurairaja was educated at Saraswathy Maha Vidyalayam in Pussellawa and St. Anthony's College, Kandy.
[3] He also holds diplomas in forensic medicine, business information technology and computer appliances.
[3] Thurairaja qualified as an attorney-at-law in 1988 and joined the Attorney General's Department in 1989.
[2][4] In October 2018 the Constitutional Council recommended that Thurairaja be appointed to the Supreme Court.