1999 in Sri Lanka
The following lists events that happened during 1999 in Sri Lanka.
Incumbents
- President: Chandrika Kumaratunga
- Prime Minister: Sirimavo Bandaranaike
- Chief Justice: G. P. S. de Silva then Sarath N. Silva
Governors
- Central Province – Stanley Tillekeratne
- North Central Province – G. M. S. Samaraweera
- North Eastern Province – Asoka Jayawardena
- North Western Province – Hector Arawwawala ; Siripala Jayaweera
- Sabaragamuwa Province – C. N. Saliya Mathew
- Southern Province – Neville Kanakeratne ; Ananda Dassanayake
- Uva Province – Ananda Dassanayake ; Sirisena Amarasiri
- Western Province – K. Vignarajah
Chief Ministers
- Central Province –
- * until April: Vacant
- * April-June: Sarath Ekanayake
- * starting June: Nandimithra Ekanayake
- North Central Province – vacant ; Berty Premalal Dissanayake
- North Western Province – Nimal Bandara ; S. B. Nawinne
- Sabaragamuwa Province –
- * until April: Vacant
- * April-June: Kantha Gunatilleke
- * starting June: Athauda Seneviratne
- Southern Province – Mahinda Yapa Abeywardena
- Uva Province –
- * until April: Vacant
- * April: Nalini Weerawanni
- * starting April: Samaraweera Weerawanni
- Western Province – vacant ; Susil Premajayanth
Events
- Sri Lankan Civil War
- * Eelam War III
- October–November – The Oddusuddan offensive takes place. It was a military operation in which the LTTE captured the town of Oddusuddan from the Sri Lankan Army. The LTTE were believed to have captured large amounts of weapons and ammunitions as well as armoured vehicles in this operation.
- 20 November – Madhu church shelling: the Shrine of Our Lady of Madhu is subject to severe shelling following fighting between the LTTE and the Sri Lanka Army. The shelling resulted in approximately 40 deaths and 60 injuries.
- 18 December – President Chandrika Kumaratunga barely survives an assassination attempt by the LTTE in Colombo.
- 29 December – 1999 Sri Lankan presidential election: Incumbent President Chandrika Kumaratunga is reelected, winning by a 51.12% margin amidst several assassination attempts prior to the election.