| Honorific-Prefix: | Hon. |
| Jayantha Samaraweera | |
| Native Name: | ජයන්ත සමරවීර ஜயந்த சமரவீர |
| Honorific-Suffix: | MP |
| Constituency Mp: | Kalutara District |
| Parliament: | Sri Lanka |
| Term Start: | 1 September 2015 |
| Term End: | 24 September 2024 |
| Term Start2: | 2004 |
| Term End2: | 2010 |
| Birth Date: | 20 December 1968 |
| Party: | National Freedom Front |
| Otherparty: | Supreme Lanka Coalition (since 2022) Sri Lanka People's Freedom Alliance (2019–2022) United People's Freedom Alliance (2004–2019) |
Jayantha Samaraweera (born 20 December 1968) is a Sri Lankan politician and former member of the Parliament of Sri Lanka.[1]