Western Province Chief Minister Prasanna Ranatunga of the UPFA led the preference votes in Gampaha District despite his party's loss in the general election in his district. Ranatunga received preferences, nearly 170,000 more than the leading UNP candidate Ranjan Ramanayake.
Prasanna's brother Arjuna Ranatunga came second under the UNP ticket. Ruwan Ranatunga, a third brother who contested from the UPFA failed to be selected to parliament.
UNP
Ranjan Ramanayake 216,463
Arjuna Ranatunga 165,890
Ruwan Wijewardena 157,932
Harshana Rajakaruna 122,455
Ajith Mannapperuma 113,889
John Amaratunga 83,070
Kavinda Jayaratne 81,383
Chatura Senaratne 71,243
Edward Gunasekara 65,874
UPFA
Prasanna Ranatunga 384,448
Prasanna Ranaweera 112,395
Nimal Lanza 94,375
Sisira Jayakody 90,749
Indika Anuruddha 78,109
Sudarshanie Fernandopulle 73,553
Dulip Wijesekara 58,936
Lasantha Alagiyawanna 57,450
JVP
Vijitha Herath 55299
