Dappula III was King of Anuradhapura in the 9th century CE, whose reign lasted from 827 to 843 CE. He succeeded his brother Aggabodhi VIII as King of Anuradhapura and was succeeded by his son Aggabodhi IX.
See also List of Sri Lankan monarchs History of Sri Lanka
References
External links Kings & Rulers of Sri Lanka Codrington's Short History of Ceylon