| Honorific-Prefix: | Hon. |
| Sivapragasam Ratnarajah | |
| Honorific-Suffix: | MP |
| Constituency Mp1: | Trincomalee |
| Parliament1: | Sri Lankan |
| Term Start1: | 1989 |
| Term End1: | 1994 |
| Birth Date: | 25 March 1952 |
| Birth Place: | Trincomalee, Dominion of Ceylon |
| Death Place: | Trincomalee, Sri Lanka |
| Party: | Eelam Revolutionary Organisation of Students |
Sivapragasam Ratnarajah was a Sri Lankan Tamil politician and a Member of Parliament belonging to the Eelam Revolutionary Organisation of Students.He was elected from the Trincomalee Electoral District in 1989.[1] [2] He was graduate from Colombo University.[3]