| Honorific-Prefix: | Hon. |
| S. Jegadhiswaran | |
| Honorific-Suffix: | MP |
| Office: | Deputy Minister of National Integration |
| Term Start: | 2007 |
| Term End: | 2010 |
| Constituency Mp2: | Nuwara Eliya District |
| Parliament2: | Sri Lanka |
| Term Start2: | 2004 |
| Term End2: | 2010 |
| Party: | Ceylon Workers' Congress |
| Otherparty: | United People's Freedom Alliance |
Shanmugan Jegadhiswaran (also spelt Shanmugam Jegatheeswaran, Sanmugan Jegadeeswaran) is a Sri Lankan politician, a former member of the Parliament of Sri Lanka and a former government minister.[1]