Ratnasiri Wickremanayake

Ratnasiri Wickremanayake (, ; 5 May 1933 – 27 December 2016) was a Sri Lankan politician. He was Prime Minister of Sri Lanka two times from 2000 to 2001 and again from 2005 to 2010. He is currently a National List member of the Parliament of Sri Lanka.
Wickremanayake first served as Prime Minister from August 2000 to December 2001. He became minister after Sirimavo Bandaranaike resigned from the position at the age of 84. He is a senior vice-president of the ruling Sri Lanka Freedom Party (SLFP).