Cyril Esmond Lucien Wickremesinghe (29 May 1920 – 29 September 1985) was a Ceylonese media proprietor, lawyer and politician.

He also played key role in defeating Sirimavo Bandaranaike that brought United National Party Dudley Senanayake to power in 1965's Parliamentary Election.

During his tenor he successfully fended off Sirima Bandaranaike's attempted to nationalize Lake House in the 1964.

Lake House Press claimed that the UNP Parliamentary Group supported Dudley Senanayake and the Governor-General Lord Soulbury appointed Dudley Senanayake Prime Minister over his cousin Sir John Kotelawala.

[7][8][9] Kotelawala appointed Wickremesinghe as Foreign Affairs Adviser to the Prime Minister, tasking him with gaining UN membership for Ceylon, which was achieved in 1955.

[10] While accompanying President J. R. Jayewardene on a state visit to India, Wickremesinghe fell ill.