J. R. Jayewardene, Sri Lankan lawyer and politician, 2nd President of Sri Lanka (born 1906)

Junius Richard Jayewardene, commonly referred to by his initials JR, was a Sri Lankan lawyer, public official and statesman who served as Prime Minister of Sri Lanka from 1977 to 1978 and as the second President of Sri Lanka from 1978 to 1989. He was a leader of the nationalist movement in Ceylon and served in a variety of cabinet positions in the decades following independence. A longtime member of the United National Party, he led the party to a landslide victory in the 1977 parliamentary elections and served as prime minister for half a year before becoming the country's first executive president under an amended constitution.

The president of Sri Lanka is the head of state and head of government of the Democratic Socialist Republic of Sri Lanka. The president is the chief executive of the union government and the commander-in-chief of the Sri Lanka Armed Forces. The powers, functions and duties of prior presidential offices, in addition to their relation with the Prime minister and Government of Sri Lanka, have over time differed with the various constitutional documents since the creation of the office. The president appoints the Prime Minister of Sri Lanka who can command the confidence of the Parliament of Sri Lanka.