| Honorific-Prefix: | Hon. |
| L. G. Wasantha Piyatissa | |
| Honorific-Suffix: | MP |
| Constituency Mp: | Ampara District |
| Parliament: | Sri Lanka |
| Term Start: | 2024 |
| Party: | National People's Power (Since 2014) |
| Otherparty: | United People's Freedom Alliance (Until 2011) |
| Termstart2: | 2010 |
| Termend2: | 2004 |
| Office: | Deputy Minister of Rural Development, Social Security and Community Empowerment |
| Majority1: | 71,120 preferential votes[1] |
L. G. Wasantha Piyatissa is a Sri Lankan politician who has served as the Deputy Minster of Rural Development, Social Security and Community Empowerment since 2024.[2] He was formerly member of the Parliament of Sri Lanka.[3]