Deshamanya Noel Wimalasena (23 March 1914 – 5 May 1994) was a Sri Lankan lawyer, politician and the first Governor of Sabaragamuwa.

At the July 1960 election Wimalasena lost by a narrow margin of 25 votes to the SLFP candidate, Shelton Ranaraja.

Wimalasena served as the Parliamentary Secretary to the Minister of Finance between 1965 and 1970 in the Third Dudley Senanayake cabinet and between 1966 and 1970 was the Governor of the Asian Development Bank (Sri Lanka).

In December 1977 he was appointed as the Sri Lankan High Commissioner to the United Kingdom, serving until January 1981.

On 30 April 1988 he was appointed as the first Governor of Sabaragamuwa, serving until 1993, when he was succeeded by C. N. Saliya Mathew,[5] In 1993 he was awarded Deshamanya, the second-highest national honour of Sri Lanka.