Peiris, Peries or Pieris is a Sinhalese surname. It is a common surname in coastal area of Sri Lanka. It is originated from Portuguese surname Peres and was spread across Sri Lanka during the time of Portuguese rule of the island. The name has been adapted over time, hence the variation in its spelling. Notable people with the surname include:
Albert Peries (born 1905), Ceylonese politicianAmal Peiris (born 1985), Sri Lankan cricketerBernard Peiris (1908–1977), Ceylonese lawyerDeepal Peiris, Sri Lankan cricketerEardley Peiris, Ceylonese broadcasterEdmund Peiris, Ceylonese headmanG. L. Peiris (born 1946), Sri Lankan academic and politicianGlanville Peiris, Sri Lankan diplomaHeshanth Peiris, Prominent doctor, UKHarold Peiris (1905–1981), Ceylonese lawyerHiranya Peiris (born 1974), astrophysicistIvan Peries (1921–1988), Sri Lankan painterJ. B. Peiris, Sri Lankan physicianJames Peiris (1856–1930), Ceylonese politicianLester James Peries (born 1919), Sri Lankan film directorLucky Peiris, Sri Lankan police officerM. V. P. Peiris, Ceylonese surgeon and politicianMalik Peiris (born 1964), Hong Kong physician and academicMevan Pieris (born 1946), Sri Lankan cricketerMilinda Peiris, Sri Lankan army officerMohan Peiris, Sri Lankan lawyer and judgeP. Peiris, Sri Lankan cricketerRuwin Peiris (born 1970), Sri Lankan cricketerSampath Peiris, Sri Lankan beach volleyball playerStanley Peiris (1941–2002), Sri Lankan musicianSumitra Peries (born 1935), Sri Lankan film directorWalikalage Sarath Peiris Jayawardene (born 1969), Sri Lankan Sinhala cricketer