- Area: Sri Lanka
- Type: Attractions
- Group: Buddhism Viharaya
Samudrasanna Vihara ( Sinhala: සමුද්රාසන්න විහාරය) is a historic Buddhist temple situated at Mount-Lavinia in the Western Province, Sri Lanka. It is located near to the Templers Road junction on the Colombo-Galle main road.
The temple has been formally recognized by the Government as an archaeological site in Sri Lanka. The designation was declared on 6 June 2008 under the government Gazette number 1553.