Ratnasiri Wickremanayake
 Ratnasiri Wickremanayake (Sinhala: රත්නසිරි වික්‍රමනායකTamil: ரத்னசிறி விக்க்றேமனயகே; born 5 May 1933) is a Sri Lankan politician who was Prime Minister of Sri Lanka 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 succeeded Sirimavo Bandaranaike after she resigned from the position at the age of 84.