Admiral H. C. A. Cecil Tissera, VSV, USP, ndc SLN was the 14th Commander of the Sri Lankan Navy.
He was the first Sri Lankan naval officer to attended the National Defence College, Islamabad.
[2] He became the youngest officer to be promoted to the rank of vice admiral, when he was appointed Commander of the Sri Lankan Navy on 28 January 1997.
In December 1997, a suicide truck bomb targeting Thisera, blew up prematurely.
[3] He served until his retirement on 31 December 2000, when he was promoted to the rank of admiral and was succeeded by Daya Sandagiri.